double wall

Cavity between surfaces

Double wall describes construction using two parallel layers with a gap between them.

The design appears in insulated containers like thermoses and travel mugs, where the air space reduces heat transfer: This double wall tumbler keeps coffee hot for hours.

Buildings use double wall construction for insulation or soundproofing.

The term functions as both noun and adjective: a double wall, double wall insulation.

Related

vacuum · flask · coffee tumbler · water bottle · stainless steel · barrier · layer · inner layer · buffer · stainless · steel · container · thermal · pipe · duct · construction · building code · masonry

Categories
Opposites
wall construction type

double wallsingle-ply

One thickness only

single layer · solid core · unlined

structural complexity

double walluninsulated

Lacking protective covering

Family

double, wall, doubled, doubling, doubles, doubly, walled, walls, walling

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Rated G