Frequently Asked Questions

Jumbolene® roof insulation

The best 3-in-1 reflective foil insulation solution”

Combines the 3 in 1 benefits of:

  • Radiant barrier
  • Conduction Barrier
  • Moisture barrier

It offers optimal thermal insulation.

Offers an average temperature drop of about 7°C when effectively installed.

Frequently asked questions

1. What is the temperature reduction achieved by using Jumbolene Roof Insulation?

Averagely a temperature drop of 7°C is easily achieved

2. What is the percentage energy savings attained by using the Jumbolene roof insulation?

A reduction of 30% – 40% on energy cost is achieved where Air Conditioning units are in   use.

3. Does Jumbolene Roof Insulation reduce rain noise?

Yes. It reduces contact noise (e.g. rain noise) by about 19dbs.

4. Does Jumbolene roof insulation collapse with time?

It does not collapse with time; it maintains its structure/form over time.

5. How does Jumbolene Roof Insulation work?

It reflects the solar radiant heat and blocks heat transfer through conduction and convection.

6. Can nails or screws piercing through the Insulation damage it?

It seals around nails once pierced through.

7. Can the Insulation be laid directly on the Roof purlins?

It is laid on the purlins and given a small sag.

8. What is the standard thickness/size of Jumbolene Roof Insulation?

Jumbolene® Roof Insulation is available in 3 different thicknesses depending on your application.

9. What is the lifespan of Jumbolene roof insulation?

It is long lasting and lasts at least forty years.

10. Does the reflective film delaminate or peel off?

Jumbolene® Roof Insulation does not delaminate or peel off with time.

11. Can Jumbolene® Roof Insulation be installed on an existing roof?

Yes it can.  The insulation is laid below the purlins and supported by galvanised GI wire strainer wires or galvanised mild steel plates. An overlap of about 100mm is recommended while installing.

12. What thickness of insulation is needed?

This depends very much on the height of the roof from the floor and the operational temperature of the area to be insulated. In addition, the insulation effect increases with the thickness of the product.

13. How is your product better than alternates in the market place?

Product quality, service and technical back-up have ensured that Jumbolene® remains one of the brand leaders in the insulation field. We maintain a strict protocol that ensures that all product manufactured meet the laid down specifications for each grade. In addition, Jumbolene® carries the KEBS standard mark of quality ensuring that it maintains the high standards set down for the product.