Waterproofing— exterior waterproofing, excavating thereby exposing the exterior of the leaking foundation wall and waterproofing according to the various construction methods presented
Basement Interior Waterproofing and Remediations— the application of DMX also known as dimple board or drainage board, this allows for the creation of dry space with the basement semi-encapsulation and without the hassle of exterior excavation to waterproof. For best results, removal of basement floor and vapour barrier installation is recommended
Vapour Barrier—usually consists of “6mil” polyurethane plastic or “10mil” for industrial applications” CGSB approved poly”.
Sump Pit— usually referring to a perforated sump pit for gathering of water and drainage under floor slabs, the drying out of the sub-base for lessened moisture in a radius depending on the depth of the sump pit. Retrofitting an old house with a sump pit helps lessen the humidity and moisture present in the air over time.
Sump Pit and Drainage System—perimeter weeping tile tee’d off with solid drainage lines every 70-80 feet that drain to the sump pit at a slope of usually 1/4 inch per foot. For weeping tile where grade does not allow, 1/4 inch per 10 feet to level will suffice with sock application.
Sump Pit With Overflow—a sump pit with a drainline connecting to the catch basin or basement drain. In the case that the catch basin backs up due to a plug in the sewer line, or back up from overflowing city sewers.
Weeping Tile— modern pvc weeping tile comes in two basic types, solid and perforated. perforated weeping tiles are used to gather water. solid weeping tile is used for the drainlines that deliver the water to the sump or drain. Improper installation of weeping tile is major cause of foundation repair problems, such as perforated weeping tile used as drainline, Tee’d off connections under floor slab, weeping tile on retrograde.
Concrete Foundation Wall—newer construction methods have favoured concrete walls over any other type of foundation wall
Stone Foundation Masonry Wall—period construction, typical in 100 plus year old homes in Winnipeg. Key elements are the stone and mortar typically around 20 inches in thickness.
Wood Foundation Walls “PWF Walls”— they last about 70 years but are more prone to failure and need to be updated if over 20/30 years old as newer waterproofing material becomes available. plastic vs bluskin, when they first started building with wood, they used plastic and stapled to the plywood to waterproof the walls. The 1970s plastic has come of age and needs to be replaced with the newer membranes if the wall is to last the lifetime.
Hydraulic Cement— usually referred to as non-shrink grout. its non-shrink properties make it ideal for patching of cracks and masonry repair.
Filter Cloth— landscaping fabric, used to keep separate materials and sub-strate apart and free of contamination and to prevent wash out.
Bluskin—bituminous membrane superior to tar method when applied correctly.
Basement Headroom— headroom is much desired, if the basement has heaved up to such an extent headroom is impacted, then basement slab removal and replacement is the only option. a modest gain of no more than two inches is usually the case over original heights, but in most cases more than two inches is only attainable at great monetary expense. a stone masonry foundation offers the most likelihood of being given to added headroom as the foundation wall may extend well below the original floor height.
Main Beam and Posts— usually referring to wood, laminated or prefabricated the main support in center of the house, sometimes multiple beams are required to span greater distances and greater area. a foundation footing pad is required no more than eight feet apart or depending on the load variance of the structure.
Posts— usually referring to steel adjustable posts in modern construction, or wood posts in original construction, older homes in Winnipeg are retrofitted with adjustable steel posts on a regular basis.
Footing— the concrete support pad the foundation wall sits on.
Piles/Underpinning/Foundation Peirs— used to support the foundation walls, less likely to fail the chances of the foundation walls shifting is minimized.
Sub-basement/Dugouts/Crawlspace— sometimes the house has no basement, used for the placement of utilities such as furnace, hot water tank, basement drain, and laundry purposes. usually consists of retaining walls and a concrete floor. DMX works great for drying out areas that experience leakage which usually occurs under the basement steps.
Pony Wall Skirting— if the house does not have a basement, it usually has a pony wall or load bearing skirting supporting the superstructure, usually sitting on the mud in older construction. it is best to bring these up to code to eliminate mold, musty and damp conditions, as well as eliminate off-gassing from rotting wood and vegetation beneath the structure.
French Drain / Swails— systems for draining standing water, or providing adequate positive drainage away from foundation or affected area. usually a channel graded in a particular direction, bordered with landscaping edging, covered in landscaping fabric and then landscaping rock(french drain) or grass (swail) between houses.
Period Construction— predating standardized building codes
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