Aluminum Foil Heat Barriers

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152 Products

About Aluminum

Compare over 20 aluminum alloys to find the right material for you—all with material certificates for traceability.

Aluminum Foil

Shield, insulate, and make quick repairs—aluminum foil is a jack-of-all-trades. Wrap it around pipe to hold in heat and keep out moisture, or around wire to block electromagnetic interference. To patch damaged insulation, tape it over tears and holes. You can also use it to cover surfaces while painting and processing.

Black Powder-Coated Foil—With a black powder coating, this foil blocks leaks, reduces reflections, and absorbs radiant heat. Use it to wrap ductwork, shield equipment from stray light, and insulate electrical enclosures.

Green PTFE-Coated Foil—The plastic coating makes this foil slippery, so it's often made into release liners.

Annealed—This foil is softened until it's as flexible as possible, often called "dead soft." It conforms to complex shapes and contours, making it a good choice for sealing joints and wrapping HVAC ducts.

Hardened—Stronger than annealed foil, this foil resists bending and denting from daily wear and tear. Use it to seal duct seams, cut custom gaskets, and create shims.

	Thk.	Lg.	Material	Fabrication	Temper Designation	Specs. Met	Pkg. Qty.		Pkg.
Annealed







		Foil

		0.0005"	-0.0001" to 0.0001"	9"	10 3/4"	1000 Series Aluminum	Cast	O	—	500	9060K34	000000


		0.0007"	-0.0001" to 0.0001"	12"	10 3/4"	1000 Series Aluminum	Cast	O	—	500	9060K35	00000
		0.0007"	-0.0001" to 0.0001"	12"	500 ft.	1000 Series Aluminum	Cast	O	—	1	9060K51	00000
		0.0007"	-0.0001" to 0.0001"	12"	1,000 ft.	1000 Series Aluminum	Cast	O	—	1	9060K19	000000
		0.0007"	-0.0001" to 0.0001"	18"	500 ft.	1000 Series Aluminum	Cast	O	—	1	9060K52	00000
		0.0007"	-0.0001" to 0.0001"	18"	1,000 ft.	1000 Series Aluminum	Cast	O	—	1	9060K23	000000
		0.0010"	-0.0001" to 0.0001"	12"	250 ft.	1000 Series Aluminum	Cast	O	—	1	9060K53	00000
		0.0010"	-0.0001" to 0.0001"	12"	500 ft.	1000 Series Aluminum	Cast	O	—	1	9060K12	00000
		0.0010"	-0.0001" to 0.0001"	18"	250 ft.	1000 Series Aluminum	Cast	O	—	1	9060K54	00000
		0.0010"	-0.0001" to 0.0001"	18"	500 ft.	1000 Series Aluminum	Cast	O	—	1	9060K17	000000
		0.0010"	-0.0001" to 0.0001"	18"	1,000 ft.	1000 Series Aluminum	Cast	O	—	1	9060K24	000000


		0.0015"	-0.0002" to 0.0002"	6"	250 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	9060K56	00000
		0.0015"	-0.0002" to 0.0002"	6"	500 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	9060K21	000000
		0.0015"	-0.0002" to 0.0002"	8"	250 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	9060K57	000000
		0.0015"	-0.0002" to 0.0002"	8"	500 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	9060K22	000000
		0.0020"	-0.0002" to 0.0002"	18"	250 ft.	1000 Series Aluminum	Cast	O	—	1	9060K18	000000
		0.0020"	-0.0002" to 0.0002"	18"	500 ft.	1000 Series Aluminum	Cast	O	—	1	9060K59	000000
		0.0030"	-0.0003" to 0.0003"	36"	100 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	9060K14	000000
		0.0030"	-0.0003" to 0.0003"	48"	100 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	9060K15	000000
		0.0050"	-0.0005" to 0.0005"	36"	100 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	9060K16	000000




				Adhesive-Backed Foil

				0.0015"	-0.0002" to 0.0002"	6"	180 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	8941K24	000000


				0.0015"	-0.0002" to 0.0002"	18"	50 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	8941K27	000000
				0.0015"	-0.0002" to 0.0002"	18"	180 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	8941K26	000000
				0.0020"	-0.0002" to 0.0002"	6"	100 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	8941K25	000000
				0.0040"	-0.0004" to 0.0004"	6"	180 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	8941K28	000000
				0.0040"	-0.0004" to 0.0004"	18"	180 ft.	1000 Series Aluminum	Cold Rolled	O	—	1	8941K31	000000




						Black Powder-Coated Foil

						0.0020"	-0.0002" to 0.0002"	12"	10 ft.	1000 Series Aluminum	Extruded	O	—	1	7073T24	00000


						0.0020"	-0.0002" to 0.0002"	24"	10 ft.	1000 Series Aluminum	Extruded	O	—	1	7073T26	00000




								Green PTFE-Coated Foil

								0.005"	-0.001" to 0.001"	6"	25 ft.	3003 Aluminum	Cold Rolled	O	—	1	8656K51	00000


0.005"	-0.001" to 0.001"							12 1/2"	25 ft.	3003 Aluminum	Cold Rolled	O	—	1	8656K61	000000


Hardened







								Foil

								0.0010"	-0.0001" to 0.0001"	6"	50 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K11	00000


								0.0010"	-0.0001" to 0.0001"	6"	100 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K13	00000
								0.0010"	-0.0001" to 0.0001"	18"	50 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K15	000000
								0.0010"	-0.0001" to 0.0001"	18"	100 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K17	000000
								0.0020"	-0.0002" to 0.0002"	6"	50 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K19	00000
								0.0020"	-0.0002" to 0.0002"	6"	100 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K21	00000
								0.0020"	-0.0002" to 0.0002"	18"	50 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K23	000000
								0.0020"	-0.0002" to 0.0002"	18"	100 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K25	000000
								0.0030"	-0.0003" to 0.0003"	2"	25 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K26	00000
								0.0030"	-0.0003" to 0.0003"	6"	50 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K27	00000
								0.0030"	-0.0003" to 0.0003"	6"	100 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K29	00000


								0.0030"	-0.0003" to 0.0003"	18"	50 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K31	000000
								0.0030"	-0.0003" to 0.0003"	18"	100 ft.	1100 Aluminum	Cold Rolled	H19	—	1	9012K33	000000
								0.0120"	-0.0015" to 0.0015"	2"	10 ft.	3105 Aluminum	Cold Rolled	H22	ASTM B209	1	8980K13	00000
								0.0120"	-0.0015" to 0.0015"	6"	10 ft.	3105 Aluminum	Cold Rolled	H22	ASTM B209	1	8980K17	00000
								0.0120"	-0.0015" to 0.0015"	14"	5 ft.	3105 Aluminum	Cold Rolled	H22	ASTM B209	1	8980K52	00000
								0.0120"	-0.0015" to 0.0015"	14"	10 ft.	3105 Aluminum	Cold Rolled	H22	ASTM B209	1	8980K54	00000
		0.0120"						-0.0015" to 0.0015"	18"	5 ft.	3105 Aluminum	Cold Rolled	H22	ASTM B209	1	8980K63	00000
		0.016"	-0.002" to 0.002"					2"	25 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K18	00000
		0.016"	-0.002" to 0.002"					6"	25 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K19	00000
		0.016"	-0.002" to 0.002"					6"	50 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K41	000000


		0.016"	-0.002" to 0.002"					10"	50 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K11	000000
		0.016"	-0.002" to 0.002"					12"	50 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K12	000000
		0.016"	-0.002" to 0.002"					14"	50 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K16	000000
		0.016"	-0.002" to 0.002"					18"	50 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K81	000000
		0.016"	-0.002" to 0.002"					20"	50 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K14	000000
		0.016"	-0.002" to 0.002"					28"	50 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K15	000000
		0.016"	-0.002" to 0.002"					36"	25 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K21	000000
		0.016"	-0.002" to 0.002"					36"	50 ft.	3003 Aluminum	Cold Rolled	H14	ASTM B209	1	8980K86	000000

Aluminum Foil Conductive Tape

More conformable than copper foil electrical tape, this tape bonds to textured electronic housings, round cables, and other curved and irregular surfaces. Since it doesn’t leave gaps, it’s a great shield against electromagnetic interference (EMI). Its conductive backing and adhesive convert EMI into heat and reflect it away from your electronics. Use this tape on surfaces that can’t be soldered.

			Temp., ° F					15 ft. Long		108 ft. Long
Wd.	Overall Thk.	Adhesive Material	Min.	Max.	Voltage Rating	Specs. Met	Color		Each		Each
1/4"	0.0036"	Acrylic Plastic	-40	325	Not Rated	UL 510	Silver	76925A101	00000	76925A102	000000
1/2"	0.0036"	Acrylic Plastic	-40	325	Not Rated	UL 510	Silver	76925A103	0000	76925A104	00000
3/4"	0.0036"	Acrylic Plastic	-40	325	Not Rated	UL 510	Silver	76925A105	00000	76925A106	00000
1"	0.0036"	Acrylic Plastic	-40	325	Not Rated	UL 510	Silver	76925A107	00000	76925A108	00000
2"	0.0036"	Acrylic Plastic	-40	325	Not Rated	UL 510	Silver	76925A5	00000	76925A1	000000
3"	0.0036"	Acrylic Plastic	-40	325	Not Rated	UL 510	Silver	76925A109	00000	76925A111	000000
4"	0.0036"	Acrylic Plastic	-40	325	Not Rated	UL 510	Silver	76925A114	00000	76925A115	000000
5"	0.0036"	Acrylic Plastic	-40	325	Not Rated	UL 510	Silver	76925A116	00000	76925A117	000000
6"	0.0036"	Acrylic Plastic	-40	325	Not Rated	UL 510	Silver	76925A112	00000	76925A113	000000

Masking Tape Shapes for Plating

Cover small spots and holes as you plate surfaces. These shapes stand up to chemicals and moisture.

Disc

Image of Product. Front orientation. Masking Tape. Masking Tape Shapes for Plating.

Aluminum—Durable but still malleable, it holds up to the plating process and can also withstand paint stripping.

						Small Pack			Large Pack
	Dia.	Overall Thk.	Adhesive Material	Temp. Range, ° F	Color	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.
Aluminum



		1/8"	0.0045"	Acrylic Plastic	-30 to 300	Silver	—	———	0	2,000	77715A61	000000


		1/4"	0.0045"	Acrylic Plastic	-30 to 325	Silver	100	77715A51	00000	1,000	77715A33	00000
		3/8"	0.0045"	Acrylic Plastic	-30 to 300	Silver	—	———	0	2,000	77715A62	00000
		1/2"	0.0045"	Acrylic Plastic	-30 to 325	Silver	100	77715A52	0000	1,000	77715A37	00000
		5/8"	0.0045"	Acrylic Plastic	-30 to 300	Silver	—	———	0	2,000	77715A63	00000
		3/4"	0.0045"	Acrylic Plastic	-30 to 325	Silver	50	77715A53	0000	500	77715A42	00000
		7/8"	0.0045"	Acrylic Plastic	-30 to 300	Silver	—	———	0	500	77715A64	00000
		1"	0.0045"	Acrylic Plastic	-30 to 325	Silver	50	77715A54	0000	250	77715A46	00000
		2"	0.0045"	Acrylic Plastic	-30 to 325	Silver	24	77715A55	0000	250	77715A47	00000
		3"	0.0045"	Acrylic Plastic	-30 to 325	Silver	24	77715A56	00000	250	77715A48	00000

Heat Barrier Tape

This tape reflects intense heat to protect sensitive components.

Aluminum Foil—Aluminum foil tape withstands temperatures up to 600° F. Use it for flame-spray masking and wire harness heat shielding.

	Lg., ft.	Overall Thk.	Reinforcement Material	Adhesive Material	Temp. Range, ° F	Tensile Strength, lbf/in. wd.	Adhesion to Steel, ozf/in. wd.	Mil. Spec.	Flammability Rating	Color		Each
Aluminum Foil



	1"	15	0.007"	Fiberglass Fabric	Silicone	-65 to 600	120	40	MIL-T-83284	—	Silver	7613A41	000000


	1"	108	0.007"	Fiberglass Fabric	Silicone	-65 to 600	135	50	—	FAA Compliant 14 CFR 25.853	Silver	7613A21	000000
	2"	108	0.007"	Fiberglass Fabric	Silicone	-65 to 600	135	50	—	FAA Compliant 14 CFR 25.853	Silver	7613A22	000000

Fiberglass Weld-Backing Tape

Stick this flexible tape to the back of welding seams to contain spatter and prevent oxygen, water vapor, and other gases from weakening the weld. Also known as back purge tape, it’s used for welding flat sheets, large tanks, and other applications where filling the space behind the seam with purge gas is difficult or expensive. Form the fiberglass spine into a small ridge over the weld joint, then press the adhesive foil down on each side. Compatible with MIG, TIG, and stick welding.

For 200 amp Maximum Current—Apply tape for 200 amp maximum current to thin welds on aluminum, cast iron, nickel and copper alloys, and steel.

For 600 amp Maximum Current—Use tape for 600 amp maximum current to shield thick welds on dense metals, such as stainless steel.

				Temp., ° F					2 1/2" Wide			4" Wide
For Max. Current, amp	Lg., ft.	Thk.	Material	Min.	Max.	Adhesive Material	Color	Welding Process	Ctr. Strip Wd.		Each	Ctr. Strip Wd.		Each
200	82	0.18"	Aluminum	-40	450	Acrylic Plastic	Silver	MIG, TIG, Stick	1 1/8"	3355N11	0000000	1 1/2"	3355N12	0000000
600	41	0.18"	Aluminum	-40	450	Acrylic Plastic	Silver	MIG, TIG, Stick	1 1/8"	3355N13	00000	1 1/2"	3355N14	000000

Masking Tape for Thermal Spraying

Keep critical areas protected during thermal spraying. This tape won't burn or melt, and withstands sustained temperatures up to 500° F.

Aluminum-Faced Fiberglass Fabric—Its aluminum facing is heat-reflective and malleable, so it's good for thermal spraying and wire-harness heat shielding.

Overall Thickness—Thicker tape is more durable and less conformable than thinner tape. Choose thicker tapes for tougher, longer jobs.

					15 ft. Long		54 ft. Long
	Wd.	Adhesive Material	Temp. Range, ° F	Color		Each		Each
Aluminum-Faced Fiberglass Fabric







				0.007" Overall Thickness

				1/2"	Silicone	-100 to 500	Silver	76035A71	000000	76035A63	000000


				3/4"	Silicone	-100 to 500	Silver	76035A72	00000	76035A64	00000
				1"	Silicone	-100 to 500	Silver	76035A73	00000	76035A65	00000
				2"	Silicone	-100 to 500	Silver	76035A74	00000	76035A66	00000
				3"	Silicone	-100 to 500	Silver	76035A75	00000	76035A67	000000




						0.011" Overall Thickness

						1/2"	Silicone	-100 to 500	Silver	76035A41	00000	76035A51	00000


						3/4"	Silicone	-100 to 500	Silver	76035A42	00000	76035A52	00000
						1"	Silicone	-100 to 500	Silver	76035A43	00000	76035A53	00000
						2"	Silicone	-100 to 500	Silver	76035A44	00000	76035A54	000000
						3"	Silicone	-100 to 500	Silver	76035A45	00000	76035A55	000000

Foil HVAC Tape

No Liner

Seal foil-jacketed insulation as well as air-conditioning and refrigeration systems with this conformable aluminum tape.

Acrylic Plastic Adhesive—Tape with acrylic plastic adhesive withstands higher temperatures than tape with rubber adhesive.

Silicone Adhesive—Tape with silicone adhesive stands up to the widest temperature range.

	Overall Thk.	Temp. Range, ° F	Tensile Strength, lbf/in. wd.	Adhesion to Steel	Liner Type	Specs. Met	Mil. Spec.	Color	Lg., ft.		Each
Acrylic Plastic Adhesive



	1"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	15	7631A71	00000


	1"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	180	7631A31	00000
	1"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	15	7631A81	0000
	1"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	180	7631A19	00000
	1"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	15	7631A91	0000
	1"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	180	7631A41	00000
	2"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	15	7631A72	0000
	2"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	180	7631A32	00000
	2"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	15	7631A82	0000
	2"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	180	7631A21	00000
	2"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	15	7631A92	00000


	2"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	180	7631A42	00000
	3"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	15	7631A73	00000
	3"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	180	7631A33	00000
	3"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	15	7631A83	00000
	3"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	180	7631A23	00000
	3"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	15	7631A93	00000
	3"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	180	7631A43	000000
	4"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	15	7631A34	00000
	4"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	180	7631A94	00000
	4"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	15	7631A84	00000


	4"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	180	7631A24	000000
	4"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	15	7631A44	00000
	4"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	180	7631A95	000000
	6"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	15	7631A61	00000
	6"	0.003"	-30 to 325	10	Not Rated	No Liner	—	—	Silver	180	7631A66	000000
	6"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	15	7631A62	00000
	6"	0.005"	-30 to 325	25	Not Rated	No Liner	SAE AMS-T-23397	Fed. Spec. L-T-80	Silver	180	7631A67	000000
	6"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	15	7631A63	00000
	6"	0.006"	-30 to 325	50	Not Rated	No Liner	—	—	Silver	180	7631A68	000000


	Silicone Adhesive



			1"	0.004"	-65 to 600	20	40 ozf/in. wd.	No Liner	—	—	Silver	15	7594A8	00000


			1"	0.004"	-65 to 600	20	40 ozf/in. wd.	No Liner	—	—	Silver	180	7594A4	000000