Edge flashing is the most critical component of a roof system, particularly in high-velocity wind regions. The majority of wind damage and roof blow-offs are initiated at the perimeter edge.
This detail shows a sandwich-slab membrane penetration. (Detail courtesy of TAMKO Building Products.)Sandwich-Slab Membrane PenetrationsIn sandwich slab construction, penetrations are waterproofed in similar manner at both levels. The materials and
When installing a PVC membrane patch, the patch material should be the same mil thickness, color and type as the existing membrane.Flashing: Flashing material should be the same mil thickness,
A below-grade drainage detail. Allowance is made for temporary rises in groundwater levels. This detail provides the proper application method of a vertical drain tile. The drain tile is applied
Detail courtesy of Alvaro Mejia, IRT Inc. This detail provides proper application method of sheet or reinforced membrane waterproofing systems. The vertical footing wall/slab intersection is a vulnerable location and
Detail courtesy of Alvaro Mejia, IRT Inc. As is the case with all roofing systems, installation of flashings and penetrations are the most critical points of application. These areas typically
Flashing Design and Roof Drainage SystemsStanding water is more detrimental to flashings than it is to the membrane because of the increased possibility of leakage at the seams. There is
Vertical Corner Flashing DetailThis detail provides proper application method of sheet or reinforced membrane waterproofing systems. The corner of a wall is a vulnerable location and it requires additional protection
Steep-Slope Vent DetailMost steep-slope applications require the installation of exhaust and intake vents. The correct detailing of the shingle installation around these penetrations is critical due to the fact that
WaterstopsA waterstop is a pre-molded sealant that is applied across concrete joints to stop the passage of water where hydrostatic pressure exists. They are typically used for two types of
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