Premium Insulated

Grandura’s high performance vinyl and superior insulating capacity make it an ideal choice for any climate. From north to south and everything in between, your comfort and protection are assured when you build or renovate with Grandura.

Winter The cold is no match for our insulated siding as it retains heat and guards against drafts for optimum home comfort.

Summer Insulated siding helps shield against the heat and keeps cool air inside for greater comfort and reduced cooling loads.

Extreme Weather Ideal for all climates, the rigid vinyl siding and insulating polystyrene foam are the perfect defense against extreme weather conditions.