Type A waterproofing is defined and described as: Barrier Protection - BS 8102:2022.
This method refers to either pre or post applied barrier systems such as Hydroswell Bentoguard Membrane which is BBA approved.
Type A waterproofing barrier comprised high swelling, low permeable sodium bentonite encapsulated between high strength non-woven and woven geotextiles
Type A waterproofing barrier with a more robust integrally bonded polyethylene liner.
Type A waterproofing barrier with contaminant resistant sodium bentonite.
Type A waterproofing barrier with a combination of both Duo and Chem.
Ancillary products to work with Type A waterproofing installations.
Hydroswell BentoGuard Grain is chemically treated, granular sodium bentonite used as a detailing accessory product.
Hydroswell BentoGuard Putty is a trowel-grade sodium bentonite/butyl-rubber based mastic designed for a different surface preparation as well as waterproofing detailing work.
For fixing membrane when post applied and detailing laps to achieve continuity at ground level.
Used to secure Hydroswell BentoGuard Membrane at approximately 250mm centres.
