close-up of detail of worker hand with trowel applying glue on plastered white house wall doing insulation with polyurethane foam.

alternative block board building comfortable construction contract cottage credit delivery design ecology economy efficiency energy equipment exterior foam glue hand handyworker house industrial insulating insulation lasting long man material measure modern pattern polystyrene polyurethane professional protection reliable renovation saving sheet structure styrofoam surface technology texture thermal tools trowel warmth waterproof worker