More R-Value and Less Air Infiltration than Cellulose

JM Spider® insulation is a premium wall insulation product.
This blown-in fibre glass insulation system fills wall cavities without gaps or voids.
It provides superior thermal and acoustical performance.

Exceptional R-Value 20 % more than cellulose.
4.3 per inch. Up to a R23 in a 2x6 cavity and R 15 thermal rating in a 3.5 inch cavity.

Unique design
Finer fibres are designed to fill tight spaces around pipes, wires and electrical boxes. Even in homes with existing insulation.
Installs through very tiny holes using a dense pack process.
It will not settle over time.

Reduced Air Infiltration.
JM Spider reduces air infiltration more than cellulose because of its much smaller fibres.
Even better performance and increased comfort in your home.

More Grant $$
Receive even more grant money through the ecoENERGY program.
Superior performance means increased insulation value and potential increases in grants.

Made from recycled materials
Naturally fire-resistant

Read more about how JM Spider compares to Cellulose.