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UnderGuard Underlayment

Geotextile Underlayment

The biggest contributors to pond liners failing are poor, unstable soil conditions and rips and tears from rocks and boulders. Shifting soil creates pockets and voids under your pond liner, forcing it to stretch under the weight of the water. Rocks and boulders when placed on and around your water feature create aesthetically pleasing visual focal points. They can also penetrate, tear and harm your liner. Protect your liner with Underguard Underlayment™!



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UnderGuard Geotextile Underlayment - 5' x 10' Extreme Weed Block 5 ft. x 25 ft. Planting Fabric, Extreme Weed Block 5 ft. x 50 ft. Planting Fabric, Landscape Barrier & Ground Cover
UnderGuard Geotextile Underlayment - 5' x 10'
Usually Ships in 24 to 48 Hours
List Price: $21.28
Our Price: $18.50
Savings: $2.78
2 in stock!
Extreme Weed Block 5 ft. x 25 ft. Planting Fabric, Landscape Barrier & Ground Cover
Usually Ships in 24 to 48 Hours
List Price: $53.19
Our Price: $46.25
Savings: $6.94
100 in stock!
Extreme Weed Block 5 ft. x 50 ft. Planting Fabric, Landscape Barrier & Ground Cover
Usually Ships in 24 to 48 Hours
List Price: $83.38
Our Price: $72.50
Savings: $10.88
97 in stock!
Extreme Weed Block 5 ft. x 100 ft. Planting Fabric, Landscape Barrier & Ground Cover Extreme Weed Block 5 ft. x 250 ft. Planting Fabric, Landscape Barrier & Ground Cover Extreme Weed Block 5 ft. x 360 ft. Planting Fabric, Landscape Barrier & Ground Cover
Extreme Weed Block 5 ft. x 100 ft. Planting Fabric, Landscape Barrier & Ground Cover
Usually Ships in 24 to 48 Hours
List Price: $143.75
Our Price: $125.00
Savings: $18.75
98 in stock!
Extreme Weed Block 5 ft. x 250 ft. Planting Fabric, Landscape Barrier & Ground Cover
Usually Ships in 24 to 48 Hours
List Price: $345.00
Our Price: $300.00
Savings: $45.00
99 in stock!
Extreme Weed Block 5 ft. x 360 ft. Planting Fabric, Landscape Barrier & Ground Cover
Usually Ships in 24 to 48 Hours
List Price: $496.80
Our Price: $432.00
Savings: $64.80
20 in stock!
Extreme Weed Block 10 ft. x 20 ft. Planting Fabric, Landscape Barrier & Ground Cover Extreme Weed Block 10 ft. x 50 ft. Planting Fabric, Landscape Barrier & Ground Cover Extreme Weed Block 15 ft. x 50 ft. Planting Fabric, Landscape Barrier & Ground Cover
Extreme Weed Block 10 ft. x 20 ft. Planting Fabric, Landscape Barrier & Ground Cover
Usually Ships in 24 to 48 Hours
List Price: $66.70
Our Price: $58.00
Savings: $8.70
98 in stock!
Extreme Weed Block 10 ft. x 50 ft. Planting Fabric, Landscape Barrier & Ground Cover
Usually Ships in 24 to 48 Hours
List Price: $143.75
Our Price: $125.00
Savings: $18.75
97 in stock!
Extreme Weed Block 15 ft. x 50 ft. Planting Fabric, Landscape Barrier & Ground Cover
Usually Ships in 24 to 48 Hours
List Price: $215.62
Our Price: $187.50
Savings: $28.12
34 in stock!
Extreme Weed Block 15 ft. x 20 ft. Planting Fabric, Landscape Barrier & Ground Cover UnderGuard Geotextile Underlayment - 5' x 15' UnderGuard Geotextile Underlayment - 5' x 20'
Extreme Weed Block 15 ft. x 20 ft. Planting Fabric, Landscape Barrier & Ground Cover
Usually Ships in 24 to 48 Hours
List Price: $100.05
Our Price: $87.00
Savings: $13.05
98 in stock!
UnderGuard Geotextile Underlayment - 5' x 15'
Usually Ships in 24 to 48 Hours
List Price: $31.91
Our Price: $27.75
Savings: $4.16
87 in stock!
UnderGuard Geotextile Underlayment - 5' x 20'
Usually Ships in 24 to 48 Hours
List Price: $42.55
Our Price: $37.00
Savings: $5.55
95 in stock!
UnderGuard Geotextile Underlayment - 5' x 25' UnderGuard Geotextile Underlayment - 5' x 30' UnderGuard Geotextile Underlayment - 5' x 35'
UnderGuard Geotextile Underlayment - 5' x 25'
Usually Ships in 24 to 48 Hours
List Price: $53.19
Our Price: $46.25
Savings: $6.94
96 in stock!
UnderGuard Geotextile Underlayment - 5' x 30'
Usually Ships in 24 to 48 Hours
List Price: $63.82
Our Price: $55.50
Savings: $8.32
97 in stock!
UnderGuard Geotextile Underlayment - 5' x 35'
Usually Ships in 24 to 48 Hours
List Price: $74.46
Our Price: $64.75
Savings: $9.71
99 in stock!
UnderGuard Geotextile Underlayment - 5' x 40' UnderGuard Geotextile Underlayment - 5' x 50' UnderGuard Geotextile Underlayment - 5' x 100'
UnderGuard Geotextile Underlayment - 5' x 40'
Usually Ships in 24 to 48 Hours
List Price: $85.10
Our Price: $74.00
Savings: $11.10
100 in stock!
UnderGuard Geotextile Underlayment - 5' x 50'
Usually Ships in 24 to 48 Hours
List Price: $83.38
Our Price: $72.50
Savings: $10.88
92 in stock!
UnderGuard Geotextile Underlayment - 5' x 100'
Usually Ships in 24 to 48 Hours
List Price: $143.75
Our Price: $125.00
Savings: $18.75
95 in stock!
UnderGuard Geotextile Underlayment - 5' x 200' UnderGuard Geotextile Underlayment - 5' x 360' UnderGuard Geotextile Underlayment - 10' x 10'
UnderGuard Geotextile Underlayment - 5' x 200'
Usually Ships in 24 to 48 Hours
List Price: $276.00
Our Price: $240.00
Savings: $36.00
99 in stock!
UnderGuard Geotextile Underlayment - 5' x 360'
Usually Ships in 24 to 48 Hours
List Price: $496.80
Our Price: $432.00
Savings: $64.80
100 in stock!
UnderGuard Geotextile Underlayment - 10' x 10'
Usually Ships in 24 to 48 Hours
List Price: $42.55
Our Price: $37.00
Savings: $5.55
21 in stock!
UnderGuard Geotextile Underlayment - 10' x 15' UnderGuard Geotextile Underlayment - 10' x 20' UnderGuard Geotextile Underlayment - 10' x 25'
UnderGuard Geotextile Underlayment - 10' x 15'
Usually Ships in 24 to 48 Hours
List Price: $63.82
Our Price: $55.50
Savings: $8.32
91 in stock!
UnderGuard Geotextile Underlayment - 10' x 20'
Usually Ships in 24 to 48 Hours
List Price: $85.10
Our Price: $74.00
Savings: $11.10
96 in stock!
UnderGuard Geotextile Underlayment - 10' x 25'
Usually Ships in 24 to 48 Hours
List Price: $83.38
Our Price: $72.50
Savings: $10.88
97 in stock!
UnderGuard Geotextile Underlayment - 10' x 30' UnderGuard Geotextile Underlayment - 10' x 35' UnderGuard Geotextile Underlayment - 10' x 40'
UnderGuard Geotextile Underlayment - 10' x 30'
Usually Ships in 24 to 48 Hours
List Price: $86.25
Our Price: $75.00
Savings: $11.25
97 in stock!
UnderGuard Geotextile Underlayment - 10' x 35'
Usually Ships in 24 to 48 Hours
List Price: $100.62
Our Price: $87.50
Savings: $13.12
100 in stock!
UnderGuard Geotextile Underlayment - 10' x 40'
Usually Ships in 24 to 48 Hours
List Price: $115.00
Our Price: $100.00
Savings: $15.00
98 in stock!
UnderGuard Geotextile Underlayment - 10' x 45' UnderGuard Geotextile Underlayment - 10' x 50' UnderGuard Geotextile Underlayment - 10' x 100'
UnderGuard Geotextile Underlayment - 10' x 45'
Usually Ships in 24 to 48 Hours
List Price: $129.38
Our Price: $112.50
Savings: $16.88
19 in stock!
UnderGuard Geotextile Underlayment - 10' x 50'
Usually Ships in 24 to 48 Hours
List Price: $143.75
Our Price: $125.00
Savings: $18.75
98 in stock!
UnderGuard Geotextile Underlayment - 10' x 100'
Usually Ships in 24 to 48 Hours
List Price: $276.00
Our Price: $240.00
Savings: $36.00
94 in stock!
UnderGuard Geotextile Underlayment - 10' x 150' UnderGuard Geotextile Underlayment - 10' x 200' UnderGuard Geotextile Underlayment - 10' x 360'
UnderGuard Geotextile Underlayment - 10' x 150'
Usually Ships in 24 to 48 Hours
List Price: $414.00
Our Price: $360.00
Savings: $54.00
99 in stock!
UnderGuard Geotextile Underlayment - 10' x 200'
Usually Ships in 24 to 48 Hours
List Price: $552.00
Our Price: $480.00
Savings: $72.00
98 in stock!
UnderGuard Geotextile Underlayment - 10' x 360'
Usually Ships in 24 to 48 Hours
List Price: $952.20
Our Price: $828.00
Savings: $124.20
100 in stock!
UnderGuard Geotextile Underlayment - 15' x 15' UnderGuard Geotextile Underlayment - 15' x 20' UnderGuard Geotextile Underlayment - 15' x 25'
UnderGuard Geotextile Underlayment - 15' x 15'
Usually Ships in 24 to 48 Hours
List Price: $75.04
Our Price: $65.25
Savings: $9.79
89 in stock!
UnderGuard Geotextile Underlayment - 15' x 20'
Usually Ships in 24 to 48 Hours
List Price: $86.25
Our Price: $75.00
Savings: $11.25
90 in stock!
UnderGuard Geotextile Underlayment - 15' x 25'
Usually Ships in 24 to 48 Hours
List Price: $107.81
Our Price: $93.75
Savings: $14.06
94 in stock!
UnderGuard Geotextile Underlayment - 15' x 30' UnderGuard Geotextile Underlayment - 15' x 35' UnderGuard Geotextile Underlayment - 15' x 40'
UnderGuard Geotextile Underlayment - 15' x 30'
Usually Ships in 24 to 48 Hours
List Price: $129.38
Our Price: $112.50
Savings: $16.88
97 in stock!
UnderGuard Geotextile Underlayment - 15' x 35'
Usually Ships in 24 to 48 Hours
List Price: $150.94
Our Price: $131.25
Savings: $19.69
99 in stock!
UnderGuard Geotextile Underlayment - 15' x 40'
Usually Ships in 24 to 48 Hours
List Price: $172.50
Our Price: $150.00
Savings: $22.50
99 in stock!
UnderGuard Geotextile Underlayment - 15' x 45' UnderGuard Geotextile Underlayment - 15' x 50' UnderGuard Geotextile Underlayment - 15' x 100'
UnderGuard Geotextile Underlayment - 15' x 45'
Usually Ships in 24 to 48 Hours
List Price: $194.06
Our Price: $168.75
Savings: $25.31
97 in stock!
UnderGuard Geotextile Underlayment - 15' x 50'
Usually Ships in 24 to 48 Hours
List Price: $215.62
Our Price: $187.50
Savings: $28.12
95 in stock!
UnderGuard Geotextile Underlayment - 15' x 100'
Usually Ships in 24 to 48 Hours
List Price: $414.00
Our Price: $360.00
Savings: $54.00
100 in stock!
UnderGuard Geotextile Underlayment - 15' x 150' UnderGuard Geotextile Underlayment - 15' x 200' UnderGuard Geotextile Underlayment - 15' x 360'
UnderGuard Geotextile Underlayment - 15' x 150'
Usually Ships in 24 to 48 Hours
List Price: $595.12
Our Price: $517.50
Savings: $77.62
20 in stock!
UnderGuard Geotextile Underlayment - 15' x 200'
Usually Ships in 24 to 48 Hours
List Price: $793.50
Our Price: $690.00
Savings: $103.50
99 in stock!
UnderGuard Geotextile Underlayment - 15' x 360'
Usually Ships in 24 to 48 Hours
List Price: $1,485.80
Our Price: $1,292.00
Savings: $193.80
20 in stock!
UnderGuard Geotextile Underlayment - 20' x 20' UnderGuard Geotextile Underlayment - 20' x 25' UnderGuard Geotextile Underlayment - 20' x 30'
UnderGuard Geotextile Underlayment - 20' x 20'
Usually Ships in 24 to 48 Hours
List Price: $115.00
Our Price: $100.00
Savings: $15.00
92 in stock!
UnderGuard Geotextile Underlayment - 20' x 25'
Usually Ships in 24 to 48 Hours
List Price: $143.75
Our Price: $125.00
Savings: $18.75
93 in stock!
UnderGuard Geotextile Underlayment - 20' x 30'
Usually Ships in 24 to 48 Hours
List Price: $172.50
Our Price: $150.00
Savings: $22.50
98 in stock!
UnderGuard Geotextile Underlayment - 20' x 35' UnderGuard Geotextile Underlayment - 20' x 40' UnderGuard Geotextile Underlayment - 20' x 45'
UnderGuard Geotextile Underlayment - 20' x 35'
Usually Ships in 24 to 48 Hours
List Price: $201.25
Our Price: $175.00
Savings: $26.25
20 in stock!
UnderGuard Geotextile Underlayment - 20' x 40'
Usually Ships in 24 to 48 Hours
List Price: $230.00
Our Price: $200.00
Savings: $30.00
100 in stock!
UnderGuard Geotextile Underlayment - 20' x 45'
Usually Ships in 24 to 48 Hours
List Price: $258.75
Our Price: $225.00
Savings: $33.75
20 in stock!
UnderGuard Geotextile Underlayment - 20' x 50' UnderGuard Geotextile Underlayment - 20' x 100' UnderGuard Geotextile Underlayment - 20' x 150'
UnderGuard Geotextile Underlayment - 20' x 50'
Usually Ships in 24 to 48 Hours
List Price: $276.00
Our Price: $240.00
Savings: $36.00
95 in stock!
UnderGuard Geotextile Underlayment - 20' x 100'
Usually Ships in 24 to 48 Hours
List Price: $552.00
Our Price: $480.00
Savings: $72.00
100 in stock!
UnderGuard Geotextile Underlayment - 20' x 150'
Usually Ships in 24 to 48 Hours
List Price: $793.50
Our Price: $690.00
Savings: $103.50
20 in stock!
UnderGuard Geotextile Underlayment - 20' x 200' UnderGuard Geotextile Underlayment - 25' x 25' UnderGuard Geotextile Underlayment - 25' x 30'
UnderGuard Geotextile Underlayment - 20' x 200'
Usually Ships in 24 to 48 Hours
List Price: $1,058.00
Our Price: $920.00
Savings: $138.00
20 in stock!
UnderGuard Geotextile Underlayment - 25' x 25'
Usually Ships in 24 to 48 Hours
List Price: $179.69
Our Price: $156.25
Savings: $23.44
96 in stock!
UnderGuard Geotextile Underlayment - 25' x 30'
Usually Ships in 24 to 48 Hours
List Price: $215.62
Our Price: $187.50
Savings: $28.12
96 in stock!
UnderGuard Geotextile Underlayment - 25' x 35' UnderGuard Geotextile Underlayment - 25' x 40' UnderGuard Geotextile Underlayment - 25' x 45'
UnderGuard Geotextile Underlayment - 25' x 35'
Usually Ships in 24 to 48 Hours
List Price: $251.56
Our Price: $218.75
Savings: $32.81
99 in stock!
UnderGuard Geotextile Underlayment - 25' x 40'
Usually Ships in 24 to 48 Hours
List Price: $276.00
Our Price: $240.00
Savings: $36.00
98 in stock!
UnderGuard Geotextile Underlayment - 25' x 45'
Usually Ships in 24 to 48 Hours
List Price: $310.50
Our Price: $270.00
Savings: $40.50
100 in stock!
UnderGuard Geotextile Underlayment - 25' x 50' UnderGuard Geotextile Underlayment - 25' x 100' UnderGuard Geotextile Underlayment - 25' x 150'
UnderGuard Geotextile Underlayment - 25' x 50'
Usually Ships in 24 to 48 Hours
List Price: $345.00
Our Price: $300.00
Savings: $45.00
100 in stock!
UnderGuard Geotextile Underlayment - 25' x 100'
Usually Ships in 24 to 48 Hours
List Price: $661.25
Our Price: $575.00
Savings: $86.25
20 in stock!
UnderGuard Geotextile Underlayment - 25' x 150'
Usually Ships in 24 to 48 Hours
List Price: $991.88
Our Price: $862.50
Savings: $129.38
20 in stock!
UnderGuard Geotextile Underlayment - 25' x 200' UnderGuard Geotextile Underlayment - 30' x 30' UnderGuard Geotextile Underlayment - 30' x 35'
UnderGuard Geotextile Underlayment - 25' x 200'
Usually Ships in 24 to 48 Hours
List Price: $1,322.50
Our Price: $1,150.00
Savings: $172.50
20 in stock!
UnderGuard Geotextile Underlayment - 30' x 30'
Usually Ships in 24 to 48 Hours
List Price: $258.75
Our Price: $225.00
Savings: $33.75
93 in stock!
UnderGuard Geotextile Underlayment - 30' x 35'
Usually Ships in 24 to 48 Hours
List Price: $289.80
Our Price: $252.00
Savings: $37.80
99 in stock!
UnderGuard Geotextile Underlayment - 30' x 40' UnderGuard Geotextile Underlayment - 30' x 45' UnderGuard Geotextile Underlayment - 30' x 50'
UnderGuard Geotextile Underlayment - 30' x 40'
Usually Ships in 24 to 48 Hours
List Price: $331.20
Our Price: $288.00
Savings: $43.20
95 in stock!
UnderGuard Geotextile Underlayment - 30' x 45'
Usually Ships in 24 to 48 Hours
List Price: $372.60
Our Price: $324.00
Savings: $48.60
20 in stock!
UnderGuard Geotextile Underlayment - 30' x 50'
Usually Ships in 24 to 48 Hours
List Price: $414.00
Our Price: $360.00
Savings: $54.00
99 in stock!
UnderGuard Geotextile Underlayment - 30' x 100' UnderGuard Geotextile Underlayment - 30' x 150' UnderGuard Geotextile Underlayment - 30' x 200'
UnderGuard Geotextile Underlayment - 30' x 100'
Usually Ships in 24 to 48 Hours
List Price: $793.50
Our Price: $690.00
Savings: $103.50
19 in stock!
UnderGuard Geotextile Underlayment - 30' x 150'
Usually Ships in 24 to 48 Hours
List Price: $1,190.25
Our Price: $1,035.00
Savings: $155.25
100 in stock!
UnderGuard Geotextile Underlayment - 30' x 200'
Usually Ships in 24 to 48 Hours
List Price: $1,644.50
Our Price: $1,430.00
Savings: $214.50
20 in stock!
UnderGuard Geotextile Underlayment - 40' x 40' UnderGuard Geotextile Underlayment - 40' x 45' UnderGuard Geotextile Underlayment - 40' x 50'
UnderGuard Geotextile Underlayment - 40' x 40'
Usually Ships in 24 to 48 Hours
List Price: $441.60
Our Price: $384.00
Savings: $57.60
99 in stock!
UnderGuard Geotextile Underlayment - 40' x 45'
Usually Ships in 24 to 48 Hours
List Price: $496.80
Our Price: $432.00
Savings: $64.80
19 in stock!
UnderGuard Geotextile Underlayment - 40' x 50'
Usually Ships in 24 to 48 Hours
List Price: $552.00
Our Price: $480.00
Savings: $72.00
18 in stock!
UnderGuard Geotextile Underlayment - 40' x 100' UnderGuard Geotextile Underlayment - 40' x 150' UnderGuard Geotextile Underlayment - 40' x 200'
UnderGuard Geotextile Underlayment - 40' x 100'
Usually Ships in 24 to 48 Hours
List Price: $1,058.00
Our Price: $920.00
Savings: $138.00
19 in stock!
UnderGuard Geotextile Underlayment - 40' x 150'
Usually Ships in 24 to 48 Hours
List Price: $1,644.50
Our Price: $1,430.00
Savings: $214.50
20 in stock!
UnderGuard Geotextile Underlayment - 40' x 200'
Usually Ships in 24 to 48 Hours
List Price: $2,173.50
Our Price: $1,890.00
Savings: $283.50
20 in stock!
UnderGuard Geotextile Underlayment - 50' x 50' UnderGuard Geotextile Underlayment - 50' x 100' UnderGuard Geotextile Underlayment - 50' x 150'
UnderGuard Geotextile Underlayment - 50' x 50'
Usually Ships in 24 to 48 Hours
List Price: $661.25
Our Price: $575.00
Savings: $86.25
97 in stock!
UnderGuard Geotextile Underlayment - 50' x 100'
Usually Ships in 24 to 48 Hours
List Price: $1,322.50
Our Price: $1,150.00
Savings: $172.50
100 in stock!
UnderGuard Geotextile Underlayment - 50' x 150'
Usually Ships in 24 to 48 Hours
List Price: $2,041.25
Our Price: $1,775.00
Savings: $266.25
20 in stock!
UnderGuard Geotextile Underlayment - 50' x 200'
UnderGuard Geotextile Underlayment - 50' x 200'
Usually Ships in 24 to 48 Hours
List Price: $2,702.50
Our Price: $2,350.00
Savings: $352.50
100 in stock!