Railroad town on the Grayson-Collin line
Spray Foam Insulation in Van Alstyne, TX
Old houses, new subdivisions and country shops north of McKinney.
- Free estimates at your home, not over the phone
- Quotes that list foam type, depth and R-value for each area
- Open-cell, closed-cell and blown-in, matched to the spot
Insulating Van Alstyne Homes
Spray Foam Insulation in Van Alstyne deals with houses from three very different eras. The town was founded in 1873 by settlers from nearby Mantua, drawn by the Houston and Texas Central Railway, and named for Marie Van Alstyne, a major shareholder in the railroad. By 1900 it had 1,940 residents, banks, a grain elevator and a roller mill. Today it is growing fast again: 2,502 residents in 2000, 4,369 in 2020 and 1,726 housing units counted that year.
Two counties, one climate zone
Van Alstyne lies in southeastern Grayson County, with its city limits extending a little into Collin County. OpenEI's list places both Grayson and Collin counties in IECC Climate Zone 3A, so the insulation targets are the same as in McKinney: the 2015 Texas minimum calls for R-38 ceilings, and the 2021 IECC base table calls for R-49.
Old town houses
Homes near the historic downtown may be on raised floors and often have little or nothing in the walls. For those, attic sealing and depth come first, followed by closed-cell foam under the floor if it is raised. Walls are best done during a renovation.
New homes and acreage
New subdivisions and homes on acreage around town have the usual new-build issues in the attic, plus steel shops and barns that need closed-cell foam on metal to stop heat and condensation.
Costs across the three eras
For a historic house, the attic and under-floor work usually come first: HomeGuide's national figures put an average attic job at $1,000 to $2,700 and crawl space spray foam at $2,000 to $4,000. For a new house still being framed, Fixr's new-construction foam range of $2.75 to $6.50 per square foot applies. For steel shops and barns, closed-cell foam at $3.00 to $5.00 per square foot installed is the national HomeGuide range. Your own written estimate, after we measure, is what you pay.
Call (469) 402-9698 for a free estimate in Van Alstyne.
Van Alstyne Facts
- Railroad founding. Van Alstyne was founded in 1873 along the Houston and Texas Central Railway and incorporated in 1890.
- Growth. Population went from 2,502 in 2000 to 4,369 in 2020, with 1,726 housing units counted in 2020.
- Two counties. The city is in southeastern Grayson County, with city limits extending slightly into Collin County.
- Climate Zone 3A. OpenEI lists both Grayson and Collin counties in IECC Climate Zone 3A.
Van Alstyne Questions
Can you insulate an older Van Alstyne house without damaging it?
Yes. Attic and under-floor work leave the finished rooms alone. Walls are best done during a renovation.
Is Van Alstyne in a different climate zone from McKinney?
No. Grayson and Collin counties are both in Climate Zone 3A.
Do you work on shops outside town?
Yes. Closed-cell foam on steel walls and roofs is the usual approach.
Can you insulate under a raised floor in an older house?
Yes. Closed-cell foam sprayed on the underside of the floor seals drafts and adds insulation without touching the finished floor above.
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