! j I I - National Roofing Contractors Association

" provalmanufacturer issuing guarantee or warranty; movement or by application not in strict adherence with roofingof metal work. specifications, application instructions, and approvedR . 1 ' f f ' 11 ' f practices.. epalrs or a teratlons 0 roo or msta atlon 0 structures,fixtures, or utilities on or through roof without prior ap- 20, Installation of roofing membrane,of manufacturer, 21 Ab 1 I' . d. .. norma c Imatlc con Itlons.7. Defects in, failure or improper application of, roof in- 22 I fil ' d . f ' ,1 t ' f d k th d 1 . ~ . nItratIon or con ensatlon 0 moisture m or t hroughsu a lon, roo ec or any 0 er un er ymg SUI lace or . .t ' 1 d b h' h th f . 1. d underlYIng area; vapor condensatIon beneath the roof.ma erla use as a ase over w IC e roo IS app Ie ,8 Ch ' f b ' ld' . h ., 23. Damages caused by falling objects.. ange m usage 0 UI mg WIt out prIor wrItten approvalof manufacturer.24. Acts of parties other than manufacturer or authorized. roofing contractor.9. Traffic or storage of materIals on roof.10 M . t t ' f t th h 11 ' 25. Penetration of the roof membrane by vegetation,. OIS ure en enng roo sys em roug wa s, COpIngs, orany part of building structure, including from adjacent 13. Wind Coverage/Exclusion The purpose of this entry isbuilding.to convey the manufacturer's policy in regard to whether1 D It. fr 1 k f .t. d damage to the roof caused by wind is covered under the war-, amage resu mg om ac 0 pOSI Ive proper or a e- ." 't d ' d ' f " ranty. The InfOrmation presented IS based upon an examIquae ramage; pon mg on roo. . fth d d ' .f 'natIon 0 e warranty ocument to etermme I It a dd resses2. Negligence or failure of owner to use reasonable care the issue of leaks, damages, or conditions resulting from windin maintenance of roof or failure to follow manufac- and the manufacturer's response to a wind question or questurer'smaintenance specifications.tionnaire submitted by NRCA,113 E . 1h ' 1 k . h. Many manufacturers' warranties list either gales, strong. nVIronmenta~la out c emlca attac or use WIt m. ', . .'.. . gales, WInd storms and/or hurrIcanes and tornadoes as ex.buIldIng ., of commercIal . or IndustrIal solvents, acIds, caus- ' amp 1es 0 f na tura 1d Isas . ters or ac ts 0 f G0 d th a t are speci ' fiIca 1-tic flUIds, oIls, waxes, greases, absorbent clays, or PlastI- 1 1 d d f t Th . '" t. ,. y exc u e rom warran y coverage. IS Illiorma Ion ISclzers. conveye d m ' t he fiIrst sentence un der th e wm ' d coverage / exc 1u-4. Discoloration or change in visual appearance due to ac- sion heading. In order to provide more specific, affirmativeceleration or streaking of dirt or other airborne material, information regarding the manufacturer's policy concerning" , " . wind coverage, NRCA asks manufacturers to identify the wind5. Repalr~ performed or mater!als furnIshed .by others m speed that is covered by each of their warranties or to stateco' correcting leaks unless specIfically a~thorlzed, and ap- that the warranty does not cover damage to the roof causedpr~ved by manufacture~; unauthorIzed repaIrs; roof by wind regardless of speed, meaning that any damage resultmaIntenancefor corrections other than leaks.ing from wind, even at extremely low speeds, is excluded from6. Fire. warranty coverage. The accumulated data indicates npt only, . .'.' that manufacturers have widely different policies in regard7. Faulty constru~tIon or .deslgn of bl!Ildmg, IncludIng par. to warranty coverage for wind, ranging from no coverage toapet walls, COpIngs, chImneys, skylIghts, vents, or of roof coverage for wind speeds up to 100 mph, but also thatdeck.manufacturers' policies regarding wind coverage are gener-8, Contaminants that have not first been approved or ac- ally not refl~cted in t~eir warranty documents.cepted by manufacturer; exposure to or contact with In preparIng the WInd coverage entry, NRCA used thedamaging substances on deteriorating substances or Beaufort Scale as a standard measure, The Beaufort Scaleagents.rates winds on a scale of 1 to 12 and utilizes widely accepteddefinitions, as follows,9. Defects or failure caused by misapplication of materialsBeaufort ScaleBeaufort International Miles per SpecijicationsNumber DescriptionHour0 calm less than 1 calm; smoke rises vertically1 light air 1-3 diTection of wind shown by smoke but not by wind vanes2 light breeze 4.7 wind felt on face; leaves rustle; ordinary vane moved by wind3 gentle breeze 8.12 leaves and small twigs in constant motion; wind extends light flag4 moderate breeze 13-18 raises dust and loose paper; small branches are moved5 fresh breeze 19-24 small trees in leaf begin to sway; crested ~avelets form on inlet islands6 strong breeze 25-31 large branches in motion; whistling heard in telegraph wires; umbrellas usedwith difficulty7 moderate (or near) gale 32-38 whole trees in motion; inconvenience in walking in wind8 gale (or fresh gale) 39-46 breaks twigs off trees; generally impedes progress9 strong gale 47-54 slight structural damage occurs;10 storm (or whole gale) 55-63 trees uprooted; considerable damage occurs11 violent storm 64-72 accompanied by widespread damage12 hurricane* 73-136 devastation occurs*The U.S. uses 74 statute mph as the speed criterion for hurricane.,~, --"- 225 - - ._"~,