Fast, accurate beam specification for any project, domestic or commercial.

Three types of timber can be specified: Pine in H1.2, H3.2 and H5 for in-ground posts, Douglas Fir in H1.2, Macrocarpa as untreated. Automatically makes allowances for the weight of wall framing and treatments H1.2, H3.2 and H5 for in-ground posts.

Specify two structural grades in glulam: PL8 & PL12 providing size options depending on the space available for the beam.

Caters for variances in roof height caused by product type, thickness of ceiling plasterboard or additions such as solar panels. You can also allow for the extra high wind zone recently added to the Building Code.

Software includes deflection and capacity ratios. Shift a point load to exactly where it will be on the beam and The Prolam Specifier will adjust the results to suit. Also defines the long-term deflection a beam will settle out at.

What our customers are saying

I use your products a lot. I find the Specifier easy to use and being able to get a PS1 certificate for the products is great.


Architectural Designer

I use your specifier frequently, it’s a great product and service.


Architectural Designer

I have used your system for years and it really is brilliant.


Architectural Designer

The ease of using the Prolam program makes specifying a
quality product to match clients expectations a no brainer.


Specifier User

Prolam specifier is free, easy to follow, comes with the PS1 which is a very smart way to allow switching any other beams to Prolam beams.


Specifier User

Not only is the calculator easy
to use but is very comprehensive and will deliver a PS1 for council compliance.


Specifier User

Prolam Specifier