IntroductionExempt conservatotries can benefit a simplified foundation design conditional on the ground conditions being acceptable and the foundation strip being proportioned to ensure acceptable load spread. with a foundation depth in excess of 700mm (to avoid frost heave) a simplified approach permits conservatory conractors to reduce both time and cost in arriving at conservatory base level.
to provide sub structure damp protection where a restricted single brick foundation is used in the construction of an exempt conservatory.
- Dimensions 125mm x 170mm x cavity width.
- Cavity widths accomodated 75mm up to 150mm.
- Colour Dark Grey or Black.