Rafters - pitched roof support system. Consist of sloping rafters, vertical supports and inclined struts. If necessary to "link" across the bottom podstropilnymi horizontal beams.
Types of trusses
Rafters can be divided into naslonnye, hanging and hanging farm with sleepers.
Naslonnye rafter ends rest on the walls of the building, and the middle part (with the span between supports more than 4.5 m) - at intermediate supports. Hanging rafters is based only on the ends of the building. Hanging rafters are satisfied in the case when the distance between the supports (exterior walls) does not exceed 6.5 m The additional support allows you to increase the width of overlapping rafters up to 12 m, and the two towers - up to 15 m.
ConstructionEnd rafters with spineNotched end tightening Studable raftersThe connection of the upper ends of raftersRafters consist of:
sloping rafters,
upright posts
and inclined struts.Reliance rafters made:
In wooden bruschatyh or chopped buildings on the upper crowns
in frame - on the top tie.
in stone houses on mauerlat bars 140-160 mm thick.Mauerlat can be placed along the entire length of the building or enclose only a bridle leg. In the event that a section of rafters have a small width, they may eventually sag. To avoid this, use a special lattice consisting of a rack, struts and bolts. For making posts and struts use boards 150 mm wide and 25 mm thick wooden plates or derived from the log, the diameter of which must be at least 130 mm.To secure the rafters applied tightening connecting the lower ends of each rafter rafters. Sliding on tightening rafter end may violate its integrity. To prevent slipping, cut in a bridle leg tightness recommended tooth, spike, or both simultaneously. In addition, it is desirable to set the rafters approximately 300-400 mm from the edge.
Types of trusses
Rafters can be divided into naslonnye, hanging and hanging farm with sleepers.
Naslonnye rafter ends rest on the walls of the building, and the middle part (with the span between supports more than 4.5 m) - at intermediate supports. Hanging rafters is based only on the ends of the building. Hanging rafters are satisfied in the case when the distance between the supports (exterior walls) does not exceed 6.5 m The additional support allows you to increase the width of overlapping rafters up to 12 m, and the two towers - up to 15 m.
ConstructionEnd rafters with spineNotched end tightening Studable raftersThe connection of the upper ends of raftersRafters consist of:
sloping rafters,
upright posts
and inclined struts.Reliance rafters made:
In wooden bruschatyh or chopped buildings on the upper crowns
in frame - on the top tie.
in stone houses on mauerlat bars 140-160 mm thick.Mauerlat can be placed along the entire length of the building or enclose only a bridle leg. In the event that a section of rafters have a small width, they may eventually sag. To avoid this, use a special lattice consisting of a rack, struts and bolts. For making posts and struts use boards 150 mm wide and 25 mm thick wooden plates or derived from the log, the diameter of which must be at least 130 mm.To secure the rafters applied tightening connecting the lower ends of each rafter rafters. Sliding on tightening rafter end may violate its integrity. To prevent slipping, cut in a bridle leg tightness recommended tooth, spike, or both simultaneously. In addition, it is desirable to set the rafters approximately 300-400 mm from the edge.
Constructing a home all by yourself can be quite hard. It requires expertise in many fields.
ReplyDelete-Keystone Contracting Corp.
Staten Island Roofing