Rufin tsarin tsarin farawa da mauerlat kafuwa. Wannan tsarin kashi ne a katako daga katako sashe 100x100 ko 100x150 mm da kuma hidima a matsayin uniform rarraba a fadin mahara daukar kwayar cutar rufin lodi a kan garu. A gaskiya ma, mauerlat ne kafuwar ga rafters da kuma tabbatar da high rigidity na dukan rufin tsarin da mafi ƙarancin na yi kayan. Kada mu manta cewa shigarwa na wannan kashi ne kawai a kan surface, makaran da biyu yadudduka na hana ruwa GASKET abu (yin rufi, yin rufi abu, bipolikrin).
Kwanciya mauerlat ya kamata a yi a kan wani kankare bel tare da ciki ƙarfafa karfe raga. A mataki na farko da aka bazu tare da katako ganuwar, lura m kwance, wanda tabbatar da na'ura mai aiki da karfin ruwa matakin. Bayan kammala duk ake bukata ma'aunai, mauerlat dole ne a tam lazimta wa garun surface. Akwai hanyoyi da dama, da kuma mafi m daga gare su, yana hawa da anga kusoshi ga karfafa kankare bel, domin kara rufin tsarin ne Mafi dogara a kan daidai shigarwa mauerlat.
A na gaba mataki na aiki ne shigarwa na rafters, wanda aka sanya katako softwood sashe 50h150 ko 50x200 mm. A gicciye sashe na katako ne cikakken dogara a kan irin rufin kayan amfani for shafi rassanta, da mafi kyau duka dabi'u na snow da iska lodi, da kuma nisa (farar) ta hanyar da aka shigar. Don tabbatar da wani abin dogara da kuma karfi da aka makala ga rafters mauerlat, su ƙananan iyakar dole ne a yadda ya kamata yanka. Next samar da kayyade ƙananan iyakar da rafters zuwa mauerlat da kuma Tashar sarrafa daga cikin manya sassa na rafters a da ake so kwana. Sukan saman rafters haka cewa a lokacin da a hade suka zo kusa da juna, fiili wani amintacce site, suna lazimta tare da kusoshi da katako faranti da bangarorin biyu. Bugu da ari horo rafters nuna riga a ƙasa, bayan yin duk dacewa ma'aunai a kan rafters kafa biyu.
Rufin tsarin da kara a wadannan tsari: da farko na dukkan saita rafters a cikin ginin gables, shi wajibi ne a cire igiyar tsakanin su da kuma ci gaba da shigar da sauran rafters da ba aikin da sulhu mataki shigarwa verticality tare da taimakon wani ma'aunin line ko ruhu matakin. Inji truss tsarin bukatar daidai tsari rafter tsawo (reference batu a wannan harka da aka tensioned igiyar) don kara kauce wa matsaloli lokacin lathing na'ura. A lokacin shigarwa na rafters yi su wucin gadi jointing. Tare da babban nesa tsakanin babban birnin kasar tsarin da ganuwar wajibi ne m shigarwa na tightening, cewa ne bangaren da ya haɗu da wani biyu daga rafters. A 50h75 mm size ko katako amfani da wani tightening kaifi hukumar 30h150 mm.