GUARD is a dimpled recycled HDPE sheet used to protect the waterproofing layer on below-ground structures. Its profiled surface forms a protective separation layer between the backfill and the waterproofing. The product family comprises GUARD 8, GUARD 8+ and GUARD HP with higher dimple profiles.
Explore the roll, surface and layer details. Select a photograph to enlarge it.
GUARD · Dimpled surface detail 01 / 04
PRODUCT DATA
Technical properties
2 November 2026
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SNTDRAIN GUARD - Dimpled protection sheet
Component
Technical property
Method / conditions
Unit
GUARD 8
GUARD 8+
GUARD HP
400
500
600
400
500
600
10
20
25
Sheet
Dimple height
Geometrical measurement
mm
≈8
≈10
≈20
≈25
Colour
-
-
Black
Polymer type
Manufacturer declaration
-
Recycled HDPE
Compressive strength
EN ISO 25619-2
kN/m²
150 (±30%)
200 (±30%)
250 (±30%)
150 (±10%)
200 (±10%)
250 (±10%)
200 (±10%)
200 (±10%)
200 (±10%)
Roll width / roll length
EN 1848-2
m
0.50 / 1 / 1.50 / 2 (±1%)
10 / 20 / 30 (±1%)
2 (±1%)
20 (±1%)
2 (±1%)
12.5 (±1%)
Tensile strength, minimum MD/CMD
EN 12311-2
N/50 mm
MD 150
CMD 100
MD 180
CMD 120
MD 200
CMD 150
MD 200
CMD 150
MD 250
CMD 180
MD 300
CMD 200
MD 200
CMD 150
MD 300
CMD 250
MD 300
CMD 250
Elongation at break, minimum MD/CMD
EN 12311-2
%
MD 25
CMD 15
MD 30
CMD 20
Reaction to fire
EN 13501-1
class
F
E
Watertightness
EN 1928
-
W1
Temperature resistance
°C
-30 / +80
CE marking
EN 13967
--
Yes
No
Applications
Used as a protective layer at foundation walls, basement perimeters and waterproofing details exposed to backfill. Select the series according to backfill loads and the geometry of the application.
Installation
Inspect the waterproofing surface and joints before installation. Lay the sheets with the orientation, overlaps and fixings specified in the project. Complete the top termination and drainage connections before controlled backfilling.
DOCUMENTS
Technical data sheets
Product information and technical table. Two-page PDF.
