· Reflects over 90 % of Radiant Heat. For best results seal the sleeves at each end with adhesive foil tape, shrink tube or stainless steel cable ties. To ensure a proper fit, allow extra room for bends (for example: a 90º bend in a 3/4" tube will NOT fit in 3/4" I.D. Sleeve, In this case you would need 1" I.D. or higher).
