Waterproofing Membrane Under Concrete Slab

Protection of the membrane during construction is also a factor.

Waterproofing membrane under concrete slab.

Liquid rubber is suitable for old or new concrete slabs brick and ma. Waterproofing membranes installed under concrete slabs must provide permanent vapour gas chemical water protection. Membranes are located either directly beneath the concrete or under a graded compactable granular blotter what s at stake is the amount of curling that can occur when mix water leaves the bottom of a slab slower than it does on the top surface. Once concrete is poured against precon and the concrete cures a mechanical bond forms that secures the concrete to the membrane.

Meadows pre applied underslab waterproofing membrane is demonstrated by the fact that architects and contractors continue to trust it for their biggest projects. Many conventional non adhering moisture barrier membranes are vulnerable to water ingress tracking between the unbonded membrane and sub structure. The effectiveness overall efficiency and hiqh quality of precon w. Underseal underslab membrane is a tough 85 mil pre concrete pour waterproofing membrane vapor barrier designed to virtually eliminate water and vapor transmission through concrete slabs on grade.

Meadows is your moisture protection solution. In addition to protecting floor finishes and indoor air quality underseal underslab membrane also acts as a barrier to methane and radon gas. All waterproofing videos. The under slab waterproofing should project 9 to 12 inches beyond the foundation so that the vertical membrane can be turned out over the exposed toe of the horizontal surface.

Uses precon is used as a blindside membrane in vertical applications where access to the positive side is limited. For 2019 consider precon for all your building envelope. In this rogue episode matt will show you a method to waterproof this very tricky transition between a wall and flat concrete slab.