Solid Core Door in Timber Frame Register To Download Please register your details to download your requested file. Name Email Add me to E-News Please choose: Yes No Solid Core Door in Timber Frame Bi-Fold IS1005si, IS5110B for Non-rated, Double Leaf, Bi-Fold, Solid Core Door in Timber Frame Double Leaf-Side Hung IS1212, IS7061, IS3022si, IS4130 for Non-rated, Double Leaf, Solid Core Door in Timber Frame Single Leaf-Side Hung IS7025si, IS3100si for Non-rated, Single Leaf, Solid Core Door in Timber Frame