n. A continuous sheet of paper that is folded in a regular, alternating fashion.

What is fanfold used for?

Fanfold insulation is an extruded polystyrene foam insulation which is designed to be applied to the exterior walls of homes, between sheathing (or pre-existing sidings) and usually vinyl siding. Its purpose is to provide thermal protection and to form a second barrier between the elements and the framing.

What is a medical fanfold?

a pad or tablet of invoices, bills, blank sheets, etc., interleaved with carbon paper.

What is fanfold on a house?

FANFOLD foam residing board is a thin perforated, extruded polystyrene foam board faced on one side with a plastic film facer and combines proven XPS foam technology with a unique design to enhance the application of new or replacement siding.

What is fan fold insulation?

Fanfold Insulation Fanfold refers to the shape of the foam board. To create fanfold insulation, a single layer of the material is folded in on itself into a fan-like shape, compressing the material and making many layers out of one surface.

Is fanfold insulation waterproof?

Stable R-value. The product’s thermal properties will remain stable over its entire service life. There is no thermal drift, so the product is eligible for an Insulfoam 20-Year Thermal Performance Warranty. Water Resistance.

Is fanfold a moisture barrier?

Exterior fanfold insulation is the foam-type of insulation that is applied between your home’s exterior and the siding, and it offers some protection from moisture, in addition to creating a layer of thermal insulation.

What is fanfold insulation for roofing?

Poly Shield® Fan-Fold is an insulation and underlayment that reduces application labor costs while adding R-value to your exterior walls or roof. Each bundle is folded accordion style for easy transport and then rapidly unfolded to cover a 4 x 50 ft area.

What is the R-value of fanfold insulation?

R-Tech Fanfold 1/2 inch thick Roof Underlayment/EPS Insulation with Foil, 1.25 Density Type VIII, White Faced one Side, Foil on the Other, UL Listed, R-Value R-Value 2.27 @25F.

What is open fold?

An open fold is a broad feature in which the limbs dip at a gentle angle away from the crest of the fold. Isoclinal folds have undergone greater stress that has compressed the limbs of the folds tightly together.

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What is medical term liquid?

Medical Definition of fluid (Entry 2 of 2) : a substance (as a liquid or gas) tending to flow or conform to the outline of its container specifically : one in the body of an animal or plant — see cerebrospinal fluid, seminal fluid.

Do you need house wrap with foam board?

Installing House Wrap with Rigid Foam Insulation One of the biggest questions homeowners have about house wrap is whether it can be installed together with foam insulation. The answer, happily, is yes. … If you choose to install house wrap with rigid foam, generally, it should go under the insulation, not around it.

What is fanfold corrugated?

Made to order, corrugated fanfold is a continuous corrugated board, accordion folded into a bale. Bales are either pre-scored to fit customer specifications, for a box shape and size, or not scored to be used with automated box converting machines.

What is Poly Shield?

Poly Shield® is a laminated foam insulation board that reduces energy costs by adding R-value to your roof or walls. … Poly Shield® is made of premium expanded polystyrene (EPS) rigid insulation that meets or exceeds the requirements of ASTM C578, Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation.

Should you tape fanfold insulation?

To be an effective weather-resistive barrier, though, the seams of the fan-fold must be carefully taped, since any seam can provide a pathway for water to reach the structure under the foam. As long as the foam is not foil-faced, the best tape is contractor’s tape from 3M.

Should I put foam board behind my vinyl siding?

Basically, in order to get a good insulation value out of foam board, it has to installed directly on the sheathing of the house. … Basically, if you want extra R-value for your walls but do not want to tear off your siding, don’t bother with the foam board.

Is foam board needed behind vinyl siding?

Another biggie is to use the right backing material behind the siding. The correct method uses rigid foam board to lend support to the vinyl siding and keep everything nice and straight. Because think about it, if you’re covering old clapboards or shingles with new siding…

Do I have to tape Tyvek?

The house needs some airflow to avoid moisture build-up within the home. The manufacturer recommends only taping the Tyvek HomeWrap seams.

Is Polyshield waterproof?

POLYSHIELD is a prefabricated ELASTOMERIC-PLASTOMERIC (Plastomer-Polymer Bitumen) waterproofing membrane offering excellent performance.

What is the thinnest insulation?

Thermablok® Aerogel is a revolutionary advancement in thermal technology offering the thinnest insulation available to prevent thermal and cold bridging. Classed as a Super Insulation, Aerogel has the highest insulation value of any known material with the lowest thermal conductivity value of any solid (0.015W/mK).

What is the thinnest rigid insulation?

OPTIM-R is Kingspan’s thinnest insulation. It comprises a rigid vacuum insulation panel (VIP) with a microporous core which is evacuated, encased and sealed in a thin, gas-tight envelope which gives an outstanding thermal conductivity of 0.007 W/m.K. Benefits for architects, builders and homeowners.

Is Foamular a vapor barrier?

An insulating sheathing keeps the wall stud cavity warmer. Warmer air and surfaces are less likely to experience condensation than colder air/surfaces at any given level of humidity. So, FOAMULAR® insulating sheathing, that is also semi-permeable, is not a “double vapor retarder” concern.

How many square are in a bundle of fanfold?

R-Tech Fanfold comes in 200-sq. -ft. bundles, and is lightweight enough that the average roof mechanic can carry an R-Tech bundle under each arm (a total of 4 squares).

What is InsulFoam made of?

InsulFoam FL (Flute-Filler) is a custom-made, engineered insulation consisting of a superior closed-cell, lightweight expanded polystyrene (EPS).

Is R-tech waterproof?

R-TECH® Rigid Foam Insulation In addition, R-Tech has excellent dimensional stability, compressive strength and water resistance properties.

What is a closed fold?

[¦klōzd ¦fōld] (geology) A fold whose limbs have been compressed until they are parallel, and whose structure contour lines form a closed loop. Also known as tight fold.

What is plunge of fold?

Plunge is the vertical angle between the horizontal plane and the axis or line of maximum elongation of a feature. Plunge is measured along the axis of a fold, whereas dip is measured along the limbs.

What are the types of fold?

Three forms of folds: syncline, anticline, and monocline.

What are the napkin folding?

Napkin folding is a type of decorative folding done with a napkin. It can be done as art or as a hobby. Napkin folding is most commonly encountered as a table decoration in fancy restaurants. Typically, and for best results, a clean, pressed, and starched square cloth (linen or cotton) napkin is used.

What are the basic napkin folding?

• The Lotus Fold.
• The Triple Pocket.
• The Envelope Fold.
• The Rosebud Fold.
• The Fillable Pouch.
• The Star Fold.
• The Pendant Fold.
• The Tree Fold.

What is a serviette used for?

A serviette is a square of cloth or paper that you use to protect your clothes or to wipe your mouth when you are eating.