Frequently Asked Questions
What is Biligom®?
Biligom® is a SATAS approved hardwood structural Timber. It is Tanelith E treated and is mechanically stress graded to known strength values, unlike visually graded S5 or S7 Pine.
Is Biligom® then not more expensive?
No, Biligom® cost approximately the same as the inferior untreated S5 Pine per cube.
Will my roof still be certified by the ITC?
Yes, Bilitruss is a licensed roof truss manufacturer. If your roof is erected as per our supplied plans and details then any ITC inspector of your choice will certify the roof.
What is the newest developments regarding Bilitruss and Biligom?
The use of 50 x 50mm Purlines on 1200mm truss spacing on Metal sheeting roofs. And 900mm Truss spacing on Concrete tiled roofs making use of Biligom 38 x 38 Structural Battens. Bilitruss have been accredited to a Cat A rating from the ITC.
Does Bilitruss Deliver?
Yes, all of your quoted material will be delivered to site.
What is Included in my quotation?
Usually Bilitruss will include the complete certified roof structure with all its metalwork like nails, bolts and hangers. The roof covering and additional sundries like Insulation will be show separately. All the material will then add up to an total amount. It is best to let your Bilitruss representative know exactly what you need to be included.
What if I have changed my roof design from the architectural plan or if I dont have any plans?
Your Bilitruss representative will be able to come out to site and measure according to your existing structure. He will then add a roof layout or design with your quotation to discuss the changes made or if you are satisfied with Bilitruss design.
What happens if I accept your quotation?
A Bilitruss representative will go out to site to measure the exact measurments. From that we will manufacture your roof to insure on accurate structure. Bilitruss will then deliver your material ASAP (7-10 working days).
What is the diverance in ITC Category ratings?
Registered Roof Fabricators will need further education and training to move from a Category C/D (non-complex roof structures) Roof Fabricator to a Category A (complex roof structures) Roof Fabricator. Certified Roof Fabricators will not be allowed to manufacture roofs outside the category for which they have been registered. Bilitruss is rated Category A.
Who can erect my roof?
Bilitruss advice you make use of a I.TC. registered roof erector, we can help you get a quotation from the erectors all you need to do is ask your Bilitruss rep to broker the deal. We will be in contact with the team throughout your project should you choose one of our recommended roof erectors. You can have peace of mind while we make sure your roof goes up!