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ExRocketScientist

Laurel, MD

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Posted: 02/06/12 05:31am Link  |  Quote  |  Print  |  Notify Moderator

On the roof use the Dicor self leveling lap sealant. Anyplace else that does not contact the roof membrane use the Proflex RV. Use the caulk removal tool from Lowes and wipe clean with some denatured alcohol and as lint free rag as you can find prior to applying on the sides. On the roof, you may want to consider applying Eternabond tape over good caulk. That gives you a double seal. So if the tape fails between your inspections, the roof won't be leaking in the mean time due to the good caulk seal.


ERS

bingford

Utah

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Posted: 02/06/12 05:41am Link  |  Quote  |  Print  |  Notify Moderator

One-part polyurethane sealant works best. Stay away from silicone because it does not hold paint, and is not very strong. Solvent-based caulks (used by manufacturers) are inexpensive, but dry out and crack.

Polyurethane is applied like standard caulk or silicone, remains flexible, is paintable, is strong, and will not shrink or dry out.

Composet Products makes a window sealing kit that includes a one-part white polyurethane sealant.

www.delamrepair.com

Welfarewagon

Lexington, KY.

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Posted: 02/06/12 06:59am Link  |  Quote  |  Print  |  Notify Moderator

I picked up some sealant at Lowe's, the same kind that was used on the metal flashing around my new windows at home, they have held up for the last 7 years on the stick built home so I tired them around the windows, and openings on my TT. Only time will tell but so far so good.

* This post was edited 02/06/12 07:24am by Welfarewagon *


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Softballdad

Chesapeake, Va

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Posted: 02/06/12 07:12am Link  |  Quote  |  Print  |  Notify Moderator

Proflex RV Sealant is very good stuff.

tvman44

Southwest Louisiana

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Posted: 02/06/12 07:21am Link  |  Quote  |  Print  |  Notify Moderator

No silicone.


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Mile High

Denver, CO

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Posted: 02/06/12 09:02am Link  |  Quote  |  Print  |  Notify Moderator

As stated - ProFlex is great stuff. It is a little harder to put on than standard silicone, as it sets fast.

Dicor on the roof and edges of the roof - self leveling on horizontal surfaces and standard on the sides where there is a vertical surface.


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bingford

Utah

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Posted: 02/06/12 01:38pm Link  |  Quote  |  Print  |  Notify Moderator

Pro Flex may stick great, but keep in mind that it is a heavy loaded with solvents. Here is some info I pulled from their website:

FROM THE MATERIAL SAFETY DATA SHEET:

IMMEDIATE CONCERNS: May cause significant eye and skin irritation.
EYES: May cause significant irritation to the eyes.
SKIN: May cause significant irritation to the skin.
INGESTION: Possible nausea and/or vomiting.
INHALATION: May cause significant pulmonary irritation.
SIGNS AND SYMPTOMS OF OVEREXPOSURE
EYES: Visual effects may include eye irritation, blurred vision, diplopia, changes in color perception, restricition of visual fields,
and complete blindness.
SKIN: Irritation of the skin.
INGESTION: Possible nausea and/or vomiting.
INHALATION: Possible headache and/or dizziness.
CHRONIC EFFECTS: Repeated or prolonged contact may cause chemical burns to the eyes. Frequent or prolonged
overexposure may irritate or cause dermatitis.
CARCINOGENICITY: This product contains chemicals suspected of being carcinogens by the NTP and IARC.
ROUTES OF ENTRY: Inhalation, ingestion, absorption through the eyes and skin.
COMMENTS: Use in well-ventilated area.


FROM THE TECH DATA SHEET:

Limitations:
• Do not use on traffic-bearing surfaces
• Do not use on extruded polystyrene
insulation sheathing (Styrofoam®, etc.)
or EPDM
• Do not use on acrylic skylight glazing
surfaces
• Do not use in areas where food is
processed or stored

Mile High

Denver, CO

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Posted: 02/06/12 01:45pm Link  |  Quote  |  Print  |  Notify Moderator

Good to know bingford! Sounds like it is definately not something you want to use on the EDPM roof.

ExRocketScientist

Laurel, MD

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Posted: 02/06/12 02:33pm Link  |  Quote  |  Print  |  Notify Moderator

I wear blue nitrile gloves when using Proflex and only use it outdoors. I have used three tubes of the stuff so far and have not had any ill effects.

mapguy

Puget Sound

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Posted: 02/06/12 02:36pm Link  |  Quote  |  Print  |  Notify Moderator

bingford wrote:

Pro Flex may stick great, but keep in mind that it is a heavy loaded with solvents. Here is some info I pulled from their website:

FROM THE MATERIAL SAFETY DATA SHEET:

IMMEDIATE CONCERNS: May cause significant eye and skin irritation.
EYES: May cause significant irritation to the eyes.
SKIN: May cause significant irritation to the skin.
INGESTION: Possible nausea and/or vomiting.
INHALATION: May cause significant pulmonary irritation.
SIGNS AND SYMPTOMS OF OVEREXPOSURE
EYES: Visual effects may include eye irritation, blurred vision, diplopia, changes in color perception, restricition of visual fields,
and complete blindness.
SKIN: Irritation of the skin.
INGESTION: Possible nausea and/or vomiting.
INHALATION: Possible headache and/or dizziness.
CHRONIC EFFECTS: Repeated or prolonged contact may cause chemical burns to the eyes. Frequent or prolonged
overexposure may irritate or cause dermatitis.
CARCINOGENICITY: This product contains chemicals suspected of being carcinogens by the NTP and IARC.
ROUTES OF ENTRY: Inhalation, ingestion, absorption through the eyes and skin.
COMMENTS: Use in well-ventilated area.


FROM THE TECH DATA SHEET:

Limitations:
• Do not use on traffic-bearing surfaces
• Do not use on extruded polystyrene
insulation sheathing (Styrofoam®, etc.)
or EPDM
• Do not use on acrylic skylight glazing
surfaces
• Do not use in areas where food is
processed or stored


Most urethane or polyurethane caulks will have these or very similar warnings.

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