Crawlspace Insulation
in Aldergrove, BC
Aldergrove is an agricultural-edge community on the eastern flank of Langley Township, close to the BC-Washington border and the Aldergrove Lake Regional Park. The residential core has a small-town character with housing stock from the 1950s through the 1970s, and the surrounding area transitions quickly to agricultural land and acreage properties. The soils in the Aldergrove area are a mix of silt loam and clay, with drainage characteristics that vary with topography across the community.
The majority of homes in Surrey and the surrounding communities built before 2000 have fiberglass batt insulation installed between the floor joists in the crawlspace. When this insulation was new and dry, it provided reasonable thermal resistance. The problem is that fiberglass batts installed in a vented crawlspace environment in a high-rainfall climate like ours rarely stay dry. They absorb ambient moisture, sag out of their cavities, and gradually collapse onto the ground. Wet fiberglass insulation has essentially zero R-value, adds weight that can pull down on vapor barriers or staples, and provides a hospitable nesting environment for rodents.
For crawlspaces that are not being fully encapsulated, we install new unfaced fiberglass batts or mineral wool between the joists, but only after addressing the moisture conditions that destroyed the previous insulation. Installing fresh batts into a still-damp crawlspace environment means you'll be back in the same situation within a few years. Proper sequencing matters: drainage, vapor barrier, then insulation.
Why Choose Us in Aldergrove?
- Experience with Aldergrove's specific soil and drainage conditions
- Custom-designed systems — not one-size-fits-all packages
- Fully licensed, insured, and WCB-covered technicians
- Written report with photos after every inspection
- Workmanship guarantee on all completed work
Request Service in Aldergrove
About Aldergrove — What We See Here
Rural and semi-rural properties around Aldergrove often have crawlspaces that have had minimal professional attention over their lifetimes. Older farmhouses and rural residences in this community may have the most challenging conditions we encounter: very old structural wood, improvised moisture control measures applied over the decades, and rodent or pest damage that has never been properly addressed. We bring the same thoroughness to rural Aldergrove properties as to suburban homes closer to the Langley core.