The insulation comes in a 10-foot-long by 4-foot-wide roll that cuts easily ... insulation with an R-value up to 16. Q. What is included in a garage door insulation kit? This depends on the ...

However, the Matador garage door insulation kit adds visual improvement while providing up to a 4.8 R-value to your door. Available in two sizes, the large one is for 7-foot doors while the extra ...