Attaching Hardi Siding To Steel Purlins

Hardi board is some brittle stuff and will break if you look at it wrong if not applied over a solid backing material.

Attaching hardi siding to steel purlins.

The manufacturer does not list an appropriate wood stud screw. Siding siding should be installed using the standard fastening and overlap patterns to ensure optimum. Purlins are non pressure treated 1 x 4 x 12 lumber that is installed on to the roof in a specific layout pattern and screw pattern. Use bolts made specifically for screwing into steel or metal if attaching wood flush onto a steel frame.

James hardie recommends that you consult your design professional if you have questions regarding the use of rainscreen on your single family project. We do recommend it however. The term applies to a nailing screwing method for joining hardieplank planks to hide nail or screw fasteners. From the ends of the plank.

Three screw threads must penetrate the steel stud. Hardie plank siding is almost always installed with air nailers which are the best tool for quick installation. You can make your own fiber cement starter strip by ripping a piece of hardieplank lap siding into 1 1 4 inch strips. Do all roofing projects require purlins.

Ring shank pole barn nails heavy wood screws lag screws or bolts are often used for attaching these purlins. Bolt the piece of wood to the steel frame by pre cutting holes into the frame so the bolts can fit through. Fasteners shall be installed between 1 in. If your going to use hardi board take off the metal siding and install osb or plywood first.

The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to. James hardie recommends installing a rainscreen an air gap between the hardiepanel siding and the water resistive barrier as a best practice. And bottom purlins on an arched rafter building to prevent the curved panels from pulling the purlins loose from the rafters. James hardie prefers and recommends installation of hardieplank lap siding by the blind nailing technique such that fasteners are hidden by the course above.

How to stagger lap siding for walls longer than 12 feet you ll need to butt additional lengths of siding together. Hardie board siding is a cement board siding that can be installed over braced wood or steel studs on the exterior of a building to provide a strong durable covering that creates the look of wood siding without the expense or maintenance requirements. Drill guide holes to slide the bolts through the wood into the steel frame. Bolts should be completely threaded.

From the top edge and no closer than 3 8 in. I wouldn t apply it over metal siding with or without furring strips.