Tyvek / Discussions

...Tyvek type outer wrap, but we want to consider adding 1/2" or 1" polystyrene to the inside to prevent bridging.  Sheet is then applied to the polystyrene.     I do like closed cell, the excellerant is worrisome as it is a fairly potent green house gas..  thoughts? thank you, Michael We aren’t fans of spray foam at all,...

...Tyvek, Home Wrap etc, are airtight as a ‘product’, but once you slam a few thousand staples into them, missing the mark with a few hundred probably and doing nothing but creating a hole for nothing, it is hardly effective as an air barrier. Not to mention that most commonly-used building tapes have solvents in them, wh...

...tyvek then studs and insulation and plastic over top of this, there's moisture and ice and water inside on the insulation. If you mean there is Tyvek against the foundation walls that's not a bad thing. It's not a 'great' thing as it is permable to moisture but its better than nothing. Basement construction usually goe...

 I live in Calgary, Alberta. My house is a 1940s bungalow with a second storey added in 1988. We are replacing the vinyl siding with Hardie Board, and want to improve the insulation at the same time. Right now there is 1/2" rigid foam with foil directly under the siding. Someone recommended removing the sheathing and d...

...Tyvek" wrap, fasten 1.5" rigid to the studs. Then apply a royal building (brand) vinyl siding directly on top of the rigid insulation using 3" fasteners.  please let me know which product you would recommend for this type of application and if I am misunderstanding any of the steps needed to do this correctly . Once a...