Roof-Mount Ventilator Bases

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Base Width

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EAR99

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12"

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For Roof Pitch

24 Products

Mounts for Wind-Driven Roof-Mount Exhaust Fans


Flat Base	Straight Base

Slope Base

All mounts have a square bottom, round top, and flashing to simplify installation.

To Order: For slope-base mounts, please specify pitch: _1/12-_11/12 in increments of _1/12. To determine pitch, use an angle indicator or divide rise by run (see illustration). For instance, if your roof rises 5" in 12" of horizontal space, your pitch is _5/12.

						Flat Base		Straight Base		Slope Base
	Outlet Dia.	Base Wd.	Ht.	Flashing Wd.	Bottom Shape		Each		Each	Choose a Roof Pitch		Each
Galvanized Steel



		8"	10"	10"	4"	Square	2003K91	000000	2003K51	000000	1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12	2003K31	0000000


		10"	12"	10"	4"	Square	2003K92	00000	2003K52	00000	1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12	2003K32	000000
		12"	14"	10"	4"	Square	2003K93	00000	2003K53	00000	1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12	2003K33	000000
		14"	16"	10"	4"	Square	2003K94	00000	2003K54	000000	1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12	2003K34	000000
		16"	18"	10"	4"	Square	2003K95	000000	2003K55	000000	1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12	2003K35	000000
		18"	22"	10"	4"	Square	2003K96	000000	2003K56	000000	1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12	2003K36	000000
		20"	24"	10"	4"	Square	2003K97	000000	2003K57	000000	1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12	2003K37	000000
		24"	30"	12"	4"	Square	2003K98	000000	2003K58	000000	1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12	2003K38	000000