Image Drainage behind wood shingle cladding is provided by a 3/8-inch-thick drainage mat. Publication Date Mon, 06/28/2021 - 12:00
Image A molded plastic drainage board rainscreen allows vertical drainage while providing uniform support for the siding and resisting compression from screws and nails. Publication Date Tue, 06/29/2021 - 12:00
Image Stucco is installed over rigid insulation, which is installed over a drainage plane consisting of a drainage gap and building wrap layer over the sheathing
Image Window flashing is overlapped to provide a continuous drainage plane. Publication Date Thu, 09/01/2011 - 12:00
Image Drainage and waterproofing system components in a basement, footing detail Publication Date Tue, 01/01/2013 - 12:00
Image Drainage and waterproofing system components of a basement, sill detail Publication Date Tue, 01/01/2013 - 12:00
Image Drainage and back ventilation of wood cladding is provided by ¾ inch furring. Publication Date Mon, 06/28/2021 - 12:00
Image Crawl space drainage: crawl space floor at or above grade Publication Date Tue, 01/01/2013 - 12:00
Image Drainage and back ventilation of wood cladding is provided by ¾ inch furring (1x4). Publication Date Mon, 06/28/2021 - 12:00
Image Wrong - Mortar is clogging 1" drainage gap behind brick wall. Publication Date Mon, 06/05/2023 - 12:00
Image This building foundation has a drainage layer located on the exterior of the waterproofing membrane. Publication Date Tue, 09/17/2024 - 12:00
Image Install a housewrap drainage plane between the SIP panels and the exterior cladding Publication Date Tue, 01/01/2008 - 12:00
Image Wrong – There is no flashing installed at the bottom of the exterior walls to create a drainage system Publication Date Tue, 02/01/2011 - 12:00
Image The weep holes are spaced at the correct distance to provide a complete drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Wrong – There is no flashing installed at the bottom of the exterior walls to create a drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Right – There is flashing installed at the bottom of the wall to create a satisfactory drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Wrong – The corners are not properly flashed, leaving a vulnerable area in the drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Right - Basement slab with a capillary break of either gravel or a drainage mat. Publication Date Thu, 02/01/2018 - 12:00
Image Crawl space drainage: crawl space below grade with dual drains Publication Date Tue, 01/01/2013 - 12:00
Image The sheathing has rotted because there was not a sufficient drainage gap behind the stucco cladding
Image Right – Furring strips provide a drainage gap between the rigid foam and the siding. Publication Date Mon, 09/30/2019 - 12:00
Image Drainage behind stone cladding is provided by “grooved” rigid insulation coupled with a filter fabric. Publication Date Mon, 06/28/2021 - 12:00
Image Traditional methods of site drainage, such as site grading, can be difficult to achieve on urban sites. Publication Date Tue, 09/17/2024 - 12:00
Image A dimpled rain mat and perforated drain pipe provide drainage around the basement foundation. Publication Date Wed, 06/01/2016 - 12:00
Image Right – Furring strips provide a drainage and ventilation gap between the siding and the cork insulation. Publication Date Mon, 09/30/2019 - 12:00
Image Right – The building felt is installed on all exterior walls and provides a complete drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Drainage and waterproofing system components in a basement, single perimeter drain system, footing detail Publication Date Tue, 01/01/2013 - 12:00
Image Right – Foundation drainage mat was installed over the waterproof membrane that covers the sealed crawlspace window Publication Date Mon, 09/01/2014 - 12:00
Image Right – The water-resistant barrier is layered over the step flashing to provide a complete drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Bees made a nest in the drainage plane behind a brick veneer wall by entering via unscreened weep holes Publication Date Thu, 06/03/2021 - 12:00
Image Permanent exterior low-E storm windows include weep channels in the bottom leg of the frame to allow for drainage Publication Date Wed, 09/01/2021 - 12:00
Image A common method of addressing significant groundwater leakage in the foundation is to line the interior perimeter of the foundation with a drainage layer. Publication Date Tue, 09/17/2024 - 12:00
Image The water-resistant barrier, weep screed, and stucco lathe are properly layered and will create a complete drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Install all layers of the drainage plane to overlap, not underlap, to direct bulk water down and out of the wall. Publication Date Thu, 11/01/2007 - 12:00
Image Proper flashing around windows is especially important when the rigid foam serves as the drainage plane in the wall Publication Date Mon, 10/01/2007 - 12:00
Image Right – The water-resistant barrier covers the entire house and the seams are taped to provide a complete drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Right – The flashing is properly installed to create a complete drainage system with continuous rigid insulation sheathing/siding Publication Date Tue, 02/01/2011 - 12:00
Image A mesh plastic rainscreen product separates the coated OSB from the siding, providing a drainage space and ventilation gap. Publication Date Sun, 01/01/2017 - 12:00
Image Right - This cedar siding is installed over furring strips which allow an air and drainage gap behind the siding. Publication Date Fri, 12/31/2021 - 12:00
Image Wrong – If the insulated sheathing will serve as an air barrier and drainage plane, any cuts and seams must be taped or sealed.
Image House wrap is sealed at all seams and overlaps flashing to serve as a continuous drainage plane over the exterior walls. Publication Date Tue, 02/01/2011 - 12:00
Image Right – The rigid insulation covers all exterior walls and all seams are taped to provide a complete drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Metal hat channel provides a drainage gap of 1 inch between fiber-cement siding and mineral wool continuous insulation. Publication Date Mon, 06/28/2021 - 12:00
Image Wrong - Window sill trim was too tall for window frame and was poorly modified in an attempt to provide drainage out of the window. Publication Date Mon, 06/05/2023 - 12:00
Image A common method of addressing significant groundwater leakage in the foundation is to line the entire foundation assembly, including the slab, with a drainage layer. Publication Date Tue, 09/17/2024 - 12:00
Image Wrong: The homeowner mistakenly filled in the weep holes in this brick wall with spray foam, preventing drainage from behind the wall
Image Seams in the ICF block are sealed so the EPS foam surface can serve as the drainage plane; no house wrap is needed.
Image Two layers of high-permeability house wrap are installed to provide a drainage layer between the SIPS and the homes external cladding
Image Wrong - Stucco has rotted and cracked above a window because of water damage due to lack of proper flashing and drainage. Publication Date Tue, 11/12/2019 - 12:00
Image Install insulating foam sheathing and tape all seams to serve as a continuous drainage plane behind the home’s cladding. Publication Date Tue, 02/01/2011 - 12:00
Image A plastic fiber drainage mat rainscreen provides uniform support for the siding and allows moisture to flow horizontally and diagonally in addition to vertically. Publication Date Tue, 06/29/2021 - 12:00
Image Right – There is flashing installed along the top of the window and the water-resistant barrier is layered over to create a complete drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Right - The existing basement slab is retrofitted by installing a dimple plastic drainage mat, rigid foam insulation, and a floating subfloor. Publication Date Mon, 07/01/2013 - 12:00
Image Furring strips are installed over a foil-faced rigid foam sheathing to provide a drainage plane and ventilation gap behind siding.
Image Right – This foil-faced foam sheathing has taped seams and proper flashing details so it can serve as a drainage plane.
Image Right - Rigid foam insulation is taped at seams and installed over a drainage pad of aggregate to serve as a capillary break under the basement slab.
Image Right - The service penetration in the waterproofing membrane is well-sealed, and there is a drainage mat acting as a protective layer on the interior of the soldier piles and wood lagging. Publication Date Tue, 09/17/2024 - 12:00
Image A plastic mesh rain screen is installed over the rigid foam to provide an air gap behind the exterior cladding allowing for drainage and drying. Publication Date Tue, 10/01/2013 - 12:00
Image Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system Publication Date Tue, 02/01/2011 - 12:00
Image Furring strips provide drainage gap behind lap siding; screen is added at bottom and top to prevent entry of insects and wildfire embers. Publication Date Thu, 02/01/2018 - 12:00
Image Rigid mineral wool insulation is covered with ¼-inch wood battens which provides a air and drainage gap under the cedar and fiber cement siding.
Image Right – Furring strips were installed to provide a 3/8-inch drainage plane over the rigid foam and under the fiber cement lap siding. Publication Date Mon, 09/30/2019 - 12:00
Image A continuous drainage mat rainscreen made from vacuum-molded plastic provides uniform support for the siding and allows moisture to flow horizontally and diagonally in addition to vertically. Publication Date Tue, 06/29/2021 - 12:00
Image Continuous rigid insulation coupled with thin (1/4-inch) spacer strips that provide drainage behind the wall cladding without increasing the fire risk of the assembly. Publication Date Mon, 06/28/2021 - 12:00
Image The combustible rigid foam insulation is protected by a non-combustible layer of mineral wool insulation; a 7/8 inch “hat-channel” provides the ventilation and drainage gap. Publication Date Mon, 06/28/2021 - 12:00
Image Rigid foam insulation can serve as the drainage plane when all seams are taped. Furring strips provide an air gap behind the cladding. Publication Date Sun, 04/01/2012 - 12:00
Image Step and kick-out flashing at all roof-wall intersections extending ≥ 4 in. on wall surface above roof deck and integrated with drainage plane above Publication Date Tue, 02/01/2011 - 12:00
Image The furring strips that provide a drainage gap behind the lap siding are wrapped with ≤ 1/8-inch screen at the top and bottom of the wall to keep out bugs and burning embers. Publication Date Mon, 06/28/2021 - 12:00
Image A liquid-applied water barrier covers the walls, serving as a drainage plane, air and vapor barrier, and secondary window flashing beneath the rigid foam that will be installed next. Publication Date Wed, 01/01/2014 - 12:00
Image The fluid-applied asphalt coating provides a weather-resistant, moisture resistant layer around the house, serving as a continuous drainage plane and flashing for window and door openings.
Image Spray foam extends down the foundation wall to the slab, which has been retrofitted by adding dimple plastic drainage mat and rigid foam insulation. Publication Date Mon, 07/01/2013 - 12:00
Image Construct exterior walls with insulated concrete forms (ICFs) that provide insulation without thermal bridging, as well as air sealing, a drainage plane, and high structural strength. Publication Date Sat, 10/01/2011 - 12:00
Image Furring strips provide a mounting surface for siding over the smart house wrap membrane which serves as a drainage plane over cork insulation installed on the exterior of this home. Publication Date Wed, 12/29/2021 - 12:00
Image Right – Vertical and horizontal furring strips are installed over a breathable membrane weather resistant barrier to create an air gap and drainage plane behind the wood siding that will be installed next. Publication Date Fri, 12/31/2021 - 12:00
Image Right - XPS foam insulation is attached to the existing exterior wall with wood furring strips that serve as a nail base for the siding and are installed vertically to allow for drainage and drying behind the siding
Image The exterior of the home is wrapped in a continuous layer of rigid foam with all seams taped to provide a thermal, air, and moisture barrier and serve as a drainage plane, eliminating the need for house wrap.
Image Spray foam extends down the inside of the foundation wall to the uninsulated slab; because the wall lacked exterior perimeter drainage, the slab was cut and an interior footing drain was installed. Publication Date Mon, 07/01/2013 - 12:00
Image Wrong - A typical vented crawlspace in North Carolina exhibits water leakage, poor drainage, and a low-quality vapor retarder that does not cover all of the ground surface and is not sealed to the walls. Publication Date Sat, 01/01/2005 - 12:00
Image Small spacer strips consisting of ¼-inch plastic strips provide a drainage gap behind wall cladding with a gap that is too small to pose a fire risk from embers entering the gap. Publication Date Mon, 06/28/2021 - 12:00
Image Stucco wall assembly with a drainage mat providing a small vented gap (experience has shown that ≤ 3/8 inch is effective), and a water-resistant barrier house wrap serving as a vapor throttle. Publication Date Mon, 06/28/2021 - 12:00
Image A drainage plane is created behind lap siding by installing furring strips on the exterior walls over house wrap which is overlapped and taped at all seams to serve as an air and water barrier. Publication Date Wed, 12/06/2023 - 12:00
Image A self-adhering weather-resistant barrier is installed over the existing sheathing of this retrofit home to provide air sealing and a drainage plane before installing new metal and wood siding on the home. Publication Date Wed, 12/29/2021 - 12:00
Image The builder installed a rain screen product that provides an air gap and drainage plane between the coated OSB sheathing and the cladding; the fabric layer folded over the bottom edge forms an insect screen.
Image Right – A dimpled plastic rainscreen product is installed over liquid-applied waterproofing on the exterior of the ICF foundation walls, directing water down the wall to the perimeter drain tile, thus encouraging drainage around the foundation. Publication Date Thu, 09/30/2021 - 12:00
Image This basement is insulated on the exterior with rigid foam over dampproofing, with granular backfill and footing drains to facilitate drainage away from the foundation, a termite shield to protect from pests, and cellular PVC to protect the rigid foam. Publication Date Mon, 03/01/2021 - 12:00
Image Stone cladding system with a drainage mat provides a small, vented gap (≤ ¾ inch), over a water-resistant barrier house wrap that has a perm rating of 10 to 20 perms so it can serve as a vapor throttle. Publication Date Mon, 06/28/2021 - 12:00
Image A typical Las Vegas hot-dry climate home made of wood frame construction and insulated with R-25 expanded polystyrene externally over a drainage plane, with an unvented wood frame insulated attic and roof assembly. Publication Date Tue, 02/16/2010 - 12:00
Image Good water management practices like sloping grade away from house, and installing gutters, perimeter drain pipe, a capillary break, and free-draining soils or drainage mat protect the foundation from water saturation. Publication Date Thu, 03/01/2012 - 12:00
Image Over the taped rigid foam board, 2x4 furring strips provide a ventilating air gap and drainage plane under the engineered wood lap siding. The furring strips were attached with structural screws to provide an attachment surface for the siding.
Image Wrong - Class I vapor retarder over framed basement walls can cause condensation, mold, and rotting because plastic prevents drying to the inside; the outside should have waterproofing and vertical drainage, and the framing should be spaced from the wall. Publication Date Thu, 03/01/2012 - 12:00
Image Spray foam insulation extends down the foundation wall to the slab, which has been retrofitted by cutting the slab to install drainage mat against the wall and a new perimeter footing drain, along with rigid foam plastic above the slab. Publication Date Mon, 07/01/2013 - 12:00
