Do you need cavity tray at DPC?

There isnt normally a cavity tray at dpc level, unless in instances where the likes of a Radon Barrier is required, which should overlap inner wall, cavity and outer wall. You would then need a cavity tray above with weep holes.

What is Hyload DPC?

IKO Hyload Original High Performance DPC system is a flexible polymeric sheet material, used within masonry walls to prevent the passage of moisture from the ground, and at all levels as a cavity tray to prevent the downward movement of water.

How many cavity trays are there?

To calculate quantities, allow one cavity tray per course on each roof slope. One stopend starter or corner starter is needed per roof slope, and one ridge tray at each apex. Check roof pitch and select the correct length of tray to suit it.

What is Hyload?

IKO Hyload Original Damp-proof Course system is a flexible polymeric sheet material, used within masonry walls to prevent passage of moisture from the ground and at all levels as cavity tray to prevent the downward movement of water.

Do you need weep holes in Render?

Weepholes are required where render is returned back onto the window/door frame at the head of an opening. Weepholes are not required where the render is not returned or only returns to the toe of the lintel, leaving the underside of the lintel exposed.

Should DPC be bedded?

Dpc should be bedded on mortar, and not dry laid.

How is DPC calculated?

quantity calculation of concrete for DPC of 50 square metre area. For the calculation of dry volume 33% volume is increased so we should multiply cofactor 1.33 in wet volume.

Is DPC UV resistant?

Its anti-ageing and dimensional stability properties, as well as its resistance to rot, damage from damp conditions, mildew and UV light are such that Specifiers and Builders can rest assured that Visqueen Zedex CPT High Performance DPC will continue to perform at a high level for the lifetime of the building.