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  2. Flashing (weatherproofing) - Wikipedia

    en.wikipedia.org/wiki/Flashing_(weatherproofing)

    Chimney flashing A general term for flashing a chimney to cover the intersections of the chimney and install a damp proof course (DPC) Kickout flashing At the very bottom of a roof/wall intersection, the lowermost step flashing specially formed to deflect water away from the wall. Valley flashing In the valley of two intersecting roof planes.

  3. Covering (construction) - Wikipedia

    en.wikipedia.org/wiki/Covering_(construction)

    Roof underlayment (waterproof membrane, thermal insulation, etc.) Ventilation elements for the underlayment (moisture and vapor evacuation) Roof covering, visible exterior coating (tiles, slates, shingles, etc.) Elements ensuring rainproofing and proper drainage of the roof (ridge caps, flashing, edge waterproofing elements, etc.)

  4. Chimney liner - Wikipedia

    en.wikipedia.org/wiki/Chimney_liner

    The chimney flue is too cold which is a problem if the flue is on an outside wall and not drawing up the smoke properly or The old flue surface is eroded and the roughness causes friction and therefore slows down the smoke, which causes problems

  5. Reglet - Wikipedia

    en.wikipedia.org/wiki/Reglet

    A reglet is found on the exterior of a building along a masonry wall, chimney or parapet that meets the roof. It is a groove cut within a mortar joint that receives counter-flashing meant to cover surface flashing used to deflect water infiltration. Reglet can also refer to the counter-flashing itself when it is applied on the surface, known as ...

  6. Waterproofing - Wikipedia

    en.wikipedia.org/wiki/Waterproofing

    Masonry walls are built with a damp-proof course to prevent rising damp, and the concrete in foundations needs to be damp-proofed or waterproofed with a liquid coating, basement waterproofing membrane (even under the concrete slab floor where polyethylene sheeting is commonly used), or an additive to the concrete.

  7. Rainscreen - Wikipedia

    en.wikipedia.org/wiki/Rainscreen

    The air flow that exists in most wall systems is a slight draft that will not dry this condition out in a timely manner. The result is a compromised wall system with rot, rust, and mold potential. The structural integrity of the wall is at stake, as is the health of the occupants. The longer the wall remains wet, the greater the risk.