This might be weird but can u sew it and it hold the stitching well?

I sewed mine to curtains for my skoolie and it worked great the thread wanted to slip through foam so I had to make a few extra knots on end but overall worked well

How much does it weigh compared to traditional reflectix?

It is probably half the weight. It is very effective, very light, thinner than the bubble types, and can be used in many ways. I use it as windshield covers, either inside or outside, for our car and I even use it for a very effective insole and canting shim for my ski and snowboarding boots.

Would this insulation work on the bottom inside of a greenhouse window?

It reflects the sun away , it's very very thin . If that is what you are trying to do is reflects the sun out then it may work

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SmartSHIELD -3mm 16inx10Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil

SmartSHIELD -3mm 16inx10Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil

Product ID: 415088756

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Details

Material
Polyethylene
Brand
INSULATION
Item thickness
3 Millimeters
Recommended uses for product
Attics Walls a
Product dimensions
3.05L x 0.41W

💧Unaffected by moisture & humidity

🔥Reflects 95% radiant energy

🛠️3mm closed-cell foam core

Description

🛡️ SmartSHIELD: The sleek, high-performance insulation your space deserves.

SAFE NON TOXIC - Hypoallergenic, non-irritating materials keep your home and workspace healthy.
PREMIUM FOAM CORE - 3mm closed-cell polyethylene foam core delivers superior insulation without bulk or weight.
SOUNDPROOF SILENT - Excellent sound barrier properties for a quieter, more comfortable environment.
ULTIMATE RADIANT BARRIER - Reflects up to 95% of radiant heat to keep your space perfectly climate-controlled.
MOISTURE PROOF PERFORMANCE - Vapor barrier technology ensures durability indoors and outdoors without degradation.

SmartSHIELD by INSULATION MARKETPLACE is a commercial-grade, 3mm thick reflective insulation roll featuring a closed-cell foam core sandwiched between engineered foil layers. It reflects 95% of radiant energy, acts as a vapor barrier unaffected by moisture, and provides excellent soundproofing. Lightweight, easy to install, and non-toxic, it’s ideal for attics, walls, floors, and a wide range of commercial and residential applications.

Specifications

Global Trade Identification Number	07441051409535
Manufacturer	INSULATION MARKETPLACE
Part number	SmartSHIELD -3mm
Item Weight	136 g
Product Dimensions	304.8 x 40.64 x 0.1 cm; 136 g
Item model number	SmartSHIELD -3mm
Size	16"x10ft
Color	silver
Item Package Quantity	1
Coverage	Thermal insulation for various building surfaces
Batteries Included?	No
Batteries Required?	No

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