1. When casting a fine -trumpeted foundation, warm formwork is necessary. You can make it yourself: fix the sheets of strap on the formwork before pouring it or buy ready -made three -layer sheets for non -removable warm formwork.
1. When casting a fine -trumpeted foundation, warm formwork is necessary. You can make it yourself: fix the sheets of strap on the formwork before pouring it or buy ready -made three -layer sheets for non -removable warm formwork.