Technique
WetSpot employ a wide range of techniques when it comes to treating any areas requiring waterproofing. This is due to the fact we recognise that every job is different; one method which may excel in a particular scenario may fail miserably in another.
Reinforcing with Polyester
Wetspot reinforce all structural internal corners with Polyester matting to provide the membrane with added flexibility. This matting enables the membrane to stretch and adjustwith any movement of the building without tearing or compromising the water impeding capabilities of the membrane. We also caulk all internal joints with polyurethane to act as a bond-breaker.
Negative Waterproofing
This technique of waterproofing is used in areas such as basements, lift wells and most ‘below grade’ areas, (areas below the ground surface). Negative water proofing is used when sealing from the inside to protect against water coming in from behind the substrate. For example, sealing a basement from the inside requires that the sealant product to be able to retain "negative hydrostatic pressure". Negative hydrostatic pressure is water pressure that passes through the substrate and presses on the back side of the coating. When correctly applied, a membrane applied negatively should protect against constant hydrostatic pressure from the side walls or from beneath the footing and floor and should not peel, blister, chip, delaminate or detach from the substrate.
Positive Waterproofing
This is the most common technique of waterproofing used in areas such as balconies,
showers, bathrooms, ponds etc. This is when the sealant is used to stop water travelling
through the substrate from the top or front on the sealant into a certain area.
For example on a balcony which is built over a residential area, a membrane is applied to
the balcony to stop rain travelling through the substrate into the ceiling area below
damaging plaster and dwellings underneath.
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