Flat Roof Corner Detail

Field fabricated wall expansion joint detail curb type.

Flat roof corner detail.

Cromar c1 universal raised edge flat roof corner. 2011 control of condensation in buildings is the document to view. Cromar progrp c4 universal internal corner. Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs.

The second forming and soldering a custom piece to fit the corner is the best because it doesn t leave any potential leak spots at the caulked gaps. Parapet wall supported deck with parasolo flashing. Flat roofs are hard to replace. Of course you don t need to live in a modern house to deal with a flat roof.

But now flat roofs often are constructed with fewer layers because of improved waterproofing technology. Parapro roof membrane pro base ts concrete. Field fabricated wall expansion joint detail flat type. No new flat roof installation is complete without the detail work.

Lay soldered corner flashing around the corner and over the base flashing. Nail the flashing to the dormer near the top edge and continue with the shingles and step flashing. 7 52 ex vat 9 02 inc vat. Aluminium vent 350mm x 240mm.

It dealt in detail with flat roof constructions and can be regarded as one of the first guidelines for such roofs fig. Lightning protection terminal wall mount detail. This could mean flat roofs may not raise the same red flags they used to. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.

Cromar internal raised angle trim 3m int 195 10 per pack 109 07 ex vat 130 88 inc vat. An external wall corner extending the full height of the room. In terms of rules on ventilation bs 5250. Put simply a warm flat roof has insulation of some kind packed into every available void and a cold flat roof allows air to circulate between the joists.

Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. If you didn t get it right you concentrated the stresses at roof edges and you could suck in a parapet or tear or rip a membrane at the parapet photographs 3 and 4. This air is vented at either end of the roof to allow a continuous air flow. Roof membrane temperatures ottawa canada summer day.

Courtesy of max baker and the national research council of canada.