Attaching glulam base plates to the deck

Drilling bolt holes to mount the base plate to the deck.The bolt holes and surrounding deck are vacuumed out for the clean air-tight connection required of the Passive House.

Glulam base plate ready to be mounted to the deck with four 5/8″ lag bolts.Pre-filling the bolt holes with Locktite Premium PL adhesive.Sealing the perimeter of the mounting plate with OSI SF-450 adhesive.Attaching the lag bolts.Glulam base plate sealed and attached in place.Showing the connection points at the base of the glulam.

Applying spray foam insulation

Closed cell spray foam insulation is applied to fill the gaps between the deck i-beams.A smaller foam application pre-fills gaps.The first pass with the sprayer fills the corners helping to make the insulation airtight.Spray foam expands to fill the gap between the overhanging deck soffit and the foundation. This helps create an airtight seal between the deck and the foundation.The spray foam curing in place after the first application. Two applications were made on different days to fill out the thickness of the cavity.LVL’s are glued, screwed and sealed in place to finish the deck perimeter.